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QRS COMPLEX

  • QRS complex
  • Electrocardiogram waveform representing ventricular contraction in the heart

    The QRS complex is the combination of three of the graphical deflections seen on a typical electrocardiogram (ECG or EKG). It is usually the central and

    QRS complex

    QRS complex

    QRS_complex

  • Supraventricular tachycardia
  • Abnormally fast heart rhythm

    characteristics. Most have a narrow QRS complex, although, occasionally, electrical conduction abnormalities may produce a wide QRS complex that may mimic ventricular

    Supraventricular tachycardia

    Supraventricular tachycardia

    Supraventricular_tachycardia

  • Pan–Tompkins algorithm
  • Heart rate measuring algorithm used in ECGs

    Pan–Tompkins algorithm is commonly used to detect QRS complexes in electrocardiographic signals (ECG). The QRS complex represents the ventricular depolarization

    Pan–Tompkins algorithm

    Pan–Tompkins algorithm

    Pan–Tompkins_algorithm

  • Electrocardiography
  • Examination of the heart's electrical activity

    an ECG: The P wave, which represents depolarization of the atria The QRS complex, which represents depolarization of the ventricles The T wave, which

    Electrocardiography

    Electrocardiography

    Electrocardiography

  • Notching in electrocardiography
  • Changes in electrocardiogram waveforms

    electrocardiogram (ECG or EKG), particularly within the P wave, QRS complex (fragmented QRS (fQRS)), or T wave. These notches appear as abrupt changes in the

    Notching in electrocardiography

    Notching in electrocardiography

    Notching_in_electrocardiography

  • Tachycardia
  • Heart rate exceeding normal resting rate

    wide complex based on the QRS complex. Equal or less than 0.1s for narrow complex. Presented in order of most to least common, they are: Narrow complex Sinus

    Tachycardia

    Tachycardia

    Tachycardia

  • Cardiac conduction system
  • Aspect of heart function

    ventricular myocardium produces the QRS complex on the ECG. Atrial repolarization occurs and is masked during the QRS complex by ventricular depolarization

    Cardiac conduction system

    Cardiac conduction system

    Cardiac_conduction_system

  • Second-degree atrioventricular block
  • Medical condition

    Type 1 and Type 2. In both types, a P wave is blocked from initiating a QRS complex; but, in Type 1, there are increasing delays in each cycle before the

    Second-degree atrioventricular block

    Second-degree atrioventricular block

    Second-degree_atrioventricular_block

  • Wolff–Parkinson–White syndrome
  • Abnormal heart rhythm due to faulty electrical connections in the heart

    slurred upstroke in the QRS complex that is associated with a short PR interval. The short PR interval and slurring of the QRS complex are reflective of the

    Wolff–Parkinson–White syndrome

    Wolff–Parkinson–White syndrome

    Wolff–Parkinson–White_syndrome

  • Ventricular tachycardia
  • Abnormally fast rhythm of the heart's ventricles

    a rate of greater than 120 beats per minute and at least three wide QRS complexes in a row. It is classified as non-sustained versus sustained based on

    Ventricular tachycardia

    Ventricular tachycardia

    Ventricular_tachycardia

  • Bradycardia
  • Heart rate below the normal range

    electrocardiogram with a normal QRS complex accompanied by an inverted P wave either before, during, or after the QRS complex. An AV-junctional escape beat

    Bradycardia

    Bradycardia

    Bradycardia

  • Right bundle branch block
  • Heart block in the right ventricle

    conduction through the bundle of His-Purkinje fibres, the QRS complex is seen to be widened. The QRS complex often shows an extra deflection that reflects the

    Right bundle branch block

    Right bundle branch block

    Right_bundle_branch_block

  • Left axis deviation
  • Heart condition

    frontal plane direction between −30° and −90°. This is reflected by a QRS complex positive in lead I and negative in leads aVF and II. There are several

    Left axis deviation

    Left axis deviation

    Left_axis_deviation

  • Left bundle branch block
  • Medical condition

    it is seen as wide QRS complexes lasting ≥120ms with characteristic QRS shapes in the precordial leads, although narrower complexes are seen in children

    Left bundle branch block

    Left bundle branch block

    Left_bundle_branch_block

  • T wave
  • Electrocardiogram waveform representing repolarization of the heart's ventricles

    repolarization of the ventricles. The interval from the beginning of the QRS complex to the apex of the T wave is referred to as the absolute refractory period

    T wave

    T wave

    T_wave

  • Bundle branch block
  • Restriction of electrical impulse flow in the heart's bundle branches

    duration of the QRS complex on the ECG exceeds 120 ms. A right bundle branch block typically causes prolongation of the last part of the QRS complex and may shift

    Bundle branch block

    Bundle branch block

    Bundle_branch_block

  • Sinus rhythm
  • Cardiac rhythm

    before every QRS complex in a ratio of 1:1. Normal P wave axis (0 to +75 degrees) Normal PR interval, QRS complex and QT interval. QRS complex positive in

    Sinus rhythm

    Sinus rhythm

    Sinus_rhythm

  • Atrioventricular block
  • Medical condition

    ECG, there is no relationship between P waves and QRS complexes, meaning the P waves and QRS complexes are not in a 1:1 ratio. Third-degree AV block is

    Atrioventricular block

    Atrioventricular block

    Atrioventricular_block

  • AV nodal reentrant tachycardia
  • Medical condition

    QRS complex). As a result, the time from the QRS complex to the P wave (the RP interval) is short, less than 50% of the time between consecutive QRS complexes

    AV nodal reentrant tachycardia

    AV nodal reentrant tachycardia

    AV_nodal_reentrant_tachycardia

  • Signal-averaged electrocardiogram
  • Medical diagnostic method

    are averaged to remove interference and reveal small variations in the QRS complex, usually the so-called "late potentials". These may represent a predisposition

    Signal-averaged electrocardiogram

    Signal-averaged electrocardiogram

    Signal-averaged_electrocardiogram

  • Right axis deviation
  • Medical condition

    method: First, identify the lead with the smallest QRS complex or isoelectric (flat) QRS complex (lead a). After locating the axis of the lead on the

    Right axis deviation

    Right axis deviation

    Right_axis_deviation

  • Left anterior fascicular block
  • Medical condition

    (On the ECG, septal Q waves in I and aVL and predominantly negative QRS complex in leads II, III, and aVF are preserved.) The delayed and unopposed activation

    Left anterior fascicular block

    Left anterior fascicular block

    Left_anterior_fascicular_block

  • QT interval
  • Measurement made on an electrocardiogram

    rate, and RR is the interval from the onset of one QRS complex to the onset of the next QRS complex. This dimensionally correct formula returns the QTc

    QT interval

    QT interval

    QT_interval

  • Rhythm interpretation
  • Medical intervention

    the speed at which they are able to conduct an electrical impulse. The QRS complex represents the conduction of the ventricles of the heart, the speed at

    Rhythm interpretation

    Rhythm interpretation

    Rhythm_interpretation

  • QRS (disambiguation)
  • Topics referred to by the same term

    Look up QRS in Wiktionary, the free dictionary. QRS may refer to: QRS complex QRS concordance QRS Music Technologies, recording and musical instrument

    QRS (disambiguation)

    QRS_(disambiguation)

  • Hyperkalemia
  • Excess potassium in the blood

    increased QRS duration, and eventually absence of the P wave with the QRS complex becoming a sine wave. Bradycardia, junctional rhythms and QRS widening

    Hyperkalemia

    Hyperkalemia

    Hyperkalemia

  • Junctional rhythm
  • Medical condition

    P wave deflection is inverted. There are inverted P waves after the QRS complex. This is because of retrograde flow to the atria after ventricular contraction

    Junctional rhythm

    Junctional rhythm

    Junctional_rhythm

  • High frequency QRS
  • Medical diagnostic method

    High frequency QRS (HFQRS) refers to the analysis of the high frequency spectral components of the QRS complex in an electrocardiogram (ECG). High frequency

    High frequency QRS

    High frequency QRS

    High_frequency_QRS

  • PR interval
  • Period in electrocardiography

    wave (the onset of atrial depolarization) until the beginning of the QRS complex (the onset of ventricular depolarization); it is normally between 120

    PR interval

    PR interval

    PR_interval

  • Wiggers diagram
  • Teaching aid in cardiac physiology

    Ventricular systole Cardiac diastole ECG The EKG complex. P=P wave, PR=PR interval, QRS=QRS complex, QT=QT interval, ST=ST segment, T=T wave Wiggers with

    Wiggers diagram

    Wiggers diagram

    Wiggers_diagram

  • Heart rate variability
  • Variation in the time intervals between heartbeats

    "R–R variability" (where R is a point corresponding to the peak of the QRS complex of the ECG wave; and R–R is the interval between successive Rs), and

    Heart rate variability

    Heart rate variability

    Heart_rate_variability

  • Cardiac cycle
  • Performance of the human heart

    controls the rhythmic beating of the heart muscle cells, especially the complex impulse-generation and muscle contractions in the atrial chambers. The

    Cardiac cycle

    Cardiac cycle

    Cardiac_cycle

  • ST
  • Topics referred to by the same term

    countries ST segment, the part of an electrocardiogram connecting the QRS complex and the T wave Sulfotransferase, enzymes that catalyze the transfer of

    ST

    ST

  • PQRST
  • Topics referred to by the same term

    part of the Alphabet song One complete heartbeat in the ECG (P-wave, QRS complex, T-wave) This disambiguation page lists articles associated with the

    PQRST

    PQRST

  • Third-degree atrioventricular block
  • Medical condition

    interval (in other words, a sinus rhythm) represent the first rhythm. The QRS complexes with a regular R-to-R interval represent the second rhythm. The PR interval

    Third-degree atrioventricular block

    Third-degree atrioventricular block

    Third-degree_atrioventricular_block

  • Lown–Ganong–Levine syndrome
  • Heart condition

    episodes of abnormal heart racing with a short PR interval and normal QRS complexes seen on their electrocardiogram when in a normal sinus rhythm. LGL syndrome

    Lown–Ganong–Levine syndrome

    Lown–Ganong–Levine_syndrome

  • Atrial fibrillation
  • Irregular beating of the atria of the heart

    electrocardiogram (ECG). A typical ECG in AF shows irregularly spaced QRS complexes without P waves. Healthy lifestyle changes, such as weight loss in people

    Atrial fibrillation

    Atrial fibrillation

    Atrial_fibrillation

  • Intrinsicoid deflection
  • electrocardiogram, the intrinsicoid deflection is the downstroke of the QRS complex, from its highest amplitude until it reaches the baseline or lower. Since

    Intrinsicoid deflection

    Intrinsicoid_deflection

  • Pacemaker
  • Medical device for artificially stimulating heart contractions

    current (measured in mA) until electrical capture (characterized by a wide QRS complex with a tall, broad T wave on the ECG) is achieved, with a corresponding

    Pacemaker

    Pacemaker

    Pacemaker

  • Hydroxychloroquine
  • Antimalarial medication

    1 to 2 mmol/L, may also occur. Cardiovascular abnormalities such as QRS complex widening and QT interval prolongation may also occur. Treatment recommendations

    Hydroxychloroquine

    Hydroxychloroquine

    Hydroxychloroquine

  • Depolarization
  • Change in a cell's electric charge distribution

    Atrial repolarization: not seen clearly because it is masked by the QRS complex QRS complex: ventricular depolarization There are drugs, called depolarization

    Depolarization

    Depolarization

    Depolarization

  • Cardiac arrest
  • Sudden or unexpected loss of heartbeat

    shows irregular QRS complexes at a very high rate (>300 beats per minute). In ventricular tachycardia, the ECG will show a wide complex rhythm at a rate

    Cardiac arrest

    Cardiac arrest

    Cardiac_arrest

  • Premature atrial contraction
  • Skipped beat with atrial origin

    node and into the cardiac ventricles, resulting in a normal, narrow QRS complex. However, if the atrial beat is premature enough, it may reach the atrioventricular

    Premature atrial contraction

    Premature_atrial_contraction

  • ST segment
  • Feature of an electrocardiogram

    the QRS complex and the T wave and has a duration of 0.005 to 0.150 sec (5 to 150 ms). It starts at the J point (junction between the QRS complex and

    ST segment

    ST segment

    ST_segment

  • Myocarditis
  • Inflammation of the heart muscle

    in 62% of people with myocarditis. The presence of Q waves, a widened QRS complex, prolongation of the QT interval, high degree AV nodal blockade, and

    Myocarditis

    Myocarditis

    Myocarditis

  • Tricyclic antidepressant overdose
  • Medical condition

    recommended. People should not be forced to vomit. In those who have a wide QRS complex (> 100 ms) sodium bicarbonate is recommended. If seizures occur benzodiazepines

    Tricyclic antidepressant overdose

    Tricyclic antidepressant overdose

    Tricyclic_antidepressant_overdose

  • Cardioversion
  • Electrical shock or medications to interrupt cardiac arrhythmia

    optimal moment in the cardiac cycle which corresponds to the R wave of the QRS complex on the ECG. Timing the shock to the R wave prevents the delivery of the

    Cardioversion

    Cardioversion

    Cardioversion

  • Sgarbossa's criteria
  • Medical diagnostic method

    in Sgarbossa's criteria: ST elevation ≥1 mm in a lead with a positive QRS complex (i.e.: concordance) - 5 points concordant ST depression ≥1 mm in lead

    Sgarbossa's criteria

    Sgarbossa's criteria

    Sgarbossa's_criteria

  • Electrical alternans
  • Medical condition

    Electrical alternans is an electrocardiographic phenomenon of alternation of QRS complex amplitude or axis between beats and a possible wandering base-line. It

    Electrical alternans

    Electrical alternans

    Electrical_alternans

  • Heart failure
  • Failure of the heart to provide sufficient blood flow

    particularly suitable for the treatment of heart failure with normal QRS complex duration (120 ms or less) and has been demonstrated to improve the symptoms

    Heart failure

    Heart failure

    Heart_failure

  • Idioventricular rhythm
  • Type of cardiac rhythm

    beats per minute (bpm), absence of conducted P waves and widening of the QRS complex. In cases where the heart rate is between 50 and 110 bpm, it is known

    Idioventricular rhythm

    Idioventricular_rhythm

  • P wave (electrocardiography)
  • Electrocardiogram waveform representing atrial contraction

    normal phenomenon, the nadir of the Ta wave can occur just after the QRS complex and cause ST depression similar to (and easily mistaken with) that occurring

    P wave (electrocardiography)

    P wave (electrocardiography)

    P_wave_(electrocardiography)

  • Monomorphic
  • Topics referred to by the same term

    to: Monomorphism, an injective homomorphism in mathematics Monomorphic QRS complex, a wave pattern seen on an electrocardiogram Monomorphic, a linguistic

    Monomorphic

    Monomorphic

  • Intraventricular block
  • Medical condition

    propagation of supraventricular impulses resulting in changes in the QRS complex duration or morphology, or both. IVCD can be caused by abnormalities

    Intraventricular block

    Intraventricular block

    Intraventricular_block

  • Atrial septal defect
  • Human heart defect present at birth

    a left axis deviation of the QRS complex, while those with a secundum ASD have a right axis deviation of the QRS complex. Individuals with a sinus venosus

    Atrial septal defect

    Atrial septal defect

    Atrial_septal_defect

  • Ventricular escape beat
  • escape beat. The QRS portion of the electrocardiogram represents the ventricular depolarisation; in normal circumstances the QRS complex forms a sharp sudden

    Ventricular escape beat

    Ventricular escape beat

    Ventricular_escape_beat

  • Agonal heart rhythm
  • Variant of asystole

    and is often <20bpm. Occasional P waves and QRS complexes can be seen on the electrocardiogram. The complexes tend to be wide and bizarre in morphological

    Agonal heart rhythm

    Agonal_heart_rhythm

  • Ashman phenomenon
  • Medical condition

    Ashman beats, describes a particular type of wide, supraventricular QRS complex. Ashman is seen in many types of supraventricular arrhythmias (notably

    Ashman phenomenon

    Ashman phenomenon

    Ashman_phenomenon

  • Sinus bradycardia
  • Lower than typical heart rate

    and duration. PR interval: Between 0.12 and 0.20 seconds in duration. QRS complex: Less than 0.12 seconds in width, and consistent in morphology. Taking

    Sinus bradycardia

    Sinus bradycardia

    Sinus_bradycardia

  • De Winter syndrome
  • Medical condition

    there is also often ST-segment elevation of 0.5 to 2 mm in lead aVR. The QRS complex is either normal or slightly wide. Treatment is as per an ST elevation

    De Winter syndrome

    De Winter syndrome

    De_Winter_syndrome

  • Rhabdomyolysis
  • Condition in which damaged skeletal muscle breaks down rapidly

    as suggested by the presence of T wave changes or broadening of the QRS complex. Low calcium levels may be present in the initial stage due to binding

    Rhabdomyolysis

    Rhabdomyolysis

    Rhabdomyolysis

  • Systole
  • Part of the cardiac cycle when a heart chamber contracts

    during the late stages of ventricular diastole; see Wiggers diagram at the P/QRS phase (at right margin). Then the contractions of atrial systole cause the

    Systole

    Systole

    Systole

  • Pediatric advanced life support
  • American Heart Association course

    narrow QRS vs. wide QRS. If narrow QRS/ SVT, perform vagal maneuvers and give adenosine. If wide QRS/ VT with regular rhythm and monomorphic QRS, the provider

    Pediatric advanced life support

    Pediatric_advanced_life_support

  • J wave
  • Abnormal electrocardiogram finding

    waves are positive deflections occurring at the junction between the QRS complex and the ST segment, where the S point, also known as the J point, has

    J wave

    J wave

    J_wave

  • Fusion beat
  • Finding in electrocardiograms

    same time, causing visible variation in configuration and height of the QRS complex of an electrocardiogram reading of the heart's activity. This contrasts

    Fusion beat

    Fusion beat

    Fusion_beat

  • Cardiac contractility modulation
  • Therapy for treatment of heart failure patients

    rhythm and a QRS complex with a width of ≥ 150 ms. However, only 30-40% of all heart failure patients show such a prolonged QRS complex, and therefore

    Cardiac contractility modulation

    Cardiac_contractility_modulation

  • Polymorphism
  • Topics referred to by the same term

    lipids Polymorphic, a wave pattern seen on an electrocardiogram; see QRS complex Polymorphism (biology), the occurrence of more than one form in the same

    Polymorphism

    Polymorphism

  • ST depression
  • Depression of the ST segment on an electrocardiogram

    trace and the isoelectric line at a location 2-3 millimeters from the QRS complex.[citation needed] It is significant if it is more than 1 mm in V5-V6

    ST depression

    ST depression

    ST_depression

  • Torsades de pointes
  • Type of abnormal heart rhythm

    ventricular tachycardia with a characteristic illusion of a twisting of the QRS complex around the isoelectric baseline (peaks, which are at first pointing up

    Torsades de pointes

    Torsades de pointes

    Torsades_de_pointes

  • Lethal injection
  • Form of execution involving injection of chemicals into the bloodstream

    interval, then eventually disappearance of the P wave, widening of the QRS complex, and finally, asystole. This process can occur in the span of 30 to 60

    Lethal injection

    Lethal injection

    Lethal_injection

  • Cardiac amyloidosis
  • Medical condition

    be slightly prolonged. For patients with light-chain amyloidosis, the QRS complex pattern is skewed, with poor R-waves of the chest leads. In TTR amyloidosis

    Cardiac amyloidosis

    Cardiac amyloidosis

    Cardiac_amyloidosis

  • ST elevation
  • Elevation of the ST segment on an electrocardiogram

    the baseline. The ST segment starts from the J point (termination of QRS complex and the beginning of ST segment) and ends with the T wave. The ST segment

    ST elevation

    ST elevation

    ST_elevation

  • Isovolumetric contraction
  • Cardiac event during a heartbeat's early systole stage

    to the atria. At this stage, which corresponds to the R peak or the QRS complex seen on an ECG, the semilunar valves (aortic and pulmonary valves) are

    Isovolumetric contraction

    Isovolumetric contraction

    Isovolumetric_contraction

  • Lamotrigine
  • Anticonvulsant medication

    block of the cardiac Na⁺ channel and drug-induced prolongation of the QRS complex". British Journal of Pharmacology. 164 (2): 260–273. doi:10.1111/j.1476-5381

    Lamotrigine

    Lamotrigine

    Lamotrigine

  • Premature junctional contraction
  • will appear as a normally shaped ventricular complex or QRS complex, not preceded by any atrial complex or P wave or preceded by an abnormal P wave with

    Premature junctional contraction

    Premature_junctional_contraction

  • Body reactivity
  • ECG. A p wave which signifies atrial depolarization (contraction), a QRS complex which indicates ventricular depolarization, and a T wave which indicates

    Body reactivity

    Body_reactivity

  • First-degree atrioventricular block
  • Medical condition

    measured from the initial deflection of the P wave to the beginning of the QRS complex. In first-degree heart block, the AV node conducts the electrical activity

    First-degree atrioventricular block

    First-degree atrioventricular block

    First-degree_atrioventricular_block

  • Ventricular fibrillation
  • Rapid quivering of the ventricles of the heart

    Diagnosis is by an electrocardiogram (ECG) showing irregular unformed QRS complexes without any clear P waves. An important differential diagnosis is torsades

    Ventricular fibrillation

    Ventricular fibrillation

    Ventricular_fibrillation

  • Polysomnography
  • Multi-parameter study of sleep and sleep disorders

    it contracts and expands, recording such features as the "P" wave, "QRS" complex, and "T" wave. These can be analyzed for any abnormalities that might

    Polysomnography

    Polysomnography

    Polysomnography

  • Premature ventricular contraction
  • Skipped human heartbeat with ventricular origin

    premature ventricular contractions have a specific appearance of the QRS complexes and T waves, which are different from normal readings. By definition

    Premature ventricular contraction

    Premature ventricular contraction

    Premature_ventricular_contraction

  • Junctional escape beat
  • Medical condition

    before or after the QRS complex, or they may be absent, hidden by the QRS. P-R interval: If the P wave occurs before the QRS complex, the interval will

    Junctional escape beat

    Junctional_escape_beat

  • Hypertrophic cardiomyopathy
  • Enlargement of the heart muscle

    due to the numerous HCM-causing mutations, this method of screening is complex and is not cost-effective. Canadian genetic testing guidelines and recommendations

    Hypertrophic cardiomyopathy

    Hypertrophic_cardiomyopathy

  • Q wave
  • Topics referred to by the same term

    Q-wave may refer to: Love wave in elastodynamics the Q segment of the QRS complex in electrocardiography This disambiguation page lists articles associated

    Q wave

    Q_wave

  • Alcoholic cardiomyopathy
  • Medical condition

    fibrillation, and the width of the QRS complex. Some indications of poor prognosis include the following: patients with QRS > 120, patients who continue to

    Alcoholic cardiomyopathy

    Alcoholic cardiomyopathy

    Alcoholic_cardiomyopathy

  • Purkinje fibers
  • Fibers in the wall of the heart

    fibers Isolated heart conduction system showing Purkinje fibers The QRS complex is the large peak. Details Identifiers Latin rami subendocardiales MeSH

    Purkinje fibers

    Purkinje fibers

    Purkinje_fibers

  • Heart
  • Organ found in humans and other animals

    prominent features on the ECG: the P wave (atrial depolarisation), the QRS complex (ventricular depolarisation) and the T wave (ventricular repolarisation)

    Heart

    Heart

    Heart

  • Adenosine
  • Chemical compound

    PMID 6376597. S2CID 21575090. Mitchell J, Lazarenko G (November 2008). "Wide QRS complex tachycardia. Diagnosis: Supraventricular tachycardia with aberrant conduction;

    Adenosine

    Adenosine

    Adenosine

  • Hs and Ts
  • Mnemonic

    (often larger than the R wave) or can degenerate into a sine wave as the QRS complex widens. Immediate initial therapy is the administration of calcium, either

    Hs and Ts

    Hs_and_Ts

  • Dextropropoxyphene
  • Withdrawn opioid medication

    and QRS intervals). These effects appear to be due to their local anesthetic activity and are not reversed by naloxone. Widening of the QRS complex appears

    Dextropropoxyphene

    Dextropropoxyphene

    Dextropropoxyphene

  • Transposition of the great vessels
  • Group of congenital heart defects

    specific to only TGA. If TGA is present, rightward deviation of the QRS complex and right ventricular hypertrophy or biventricular hypertrophy may be

    Transposition of the great vessels

    Transposition of the great vessels

    Transposition_of_the_great_vessels

  • Paroxysmal supraventricular tachycardia
  • Episodes of abnormally fast heart rhythm

    Diagnosis is typically by an electrocardiogram (ECG) which shows narrow QRS complexes and a fast heart rhythm typically between 150 and 240 beats per minute

    Paroxysmal supraventricular tachycardia

    Paroxysmal supraventricular tachycardia

    Paroxysmal_supraventricular_tachycardia

  • Tetralogy of Fallot
  • Type of congenital heart defect

    was also observed to complicate TOF. In particular, elongation of the QRS complex and a shortened PR interval. Genetic abnormalities found in TOF may lead

    Tetralogy of Fallot

    Tetralogy of Fallot

    Tetralogy_of_Fallot

  • Arrhythmogenic cardiomyopathy
  • Medical condition

    50% of those with ACM. This is described as a terminal notch in the QRS complex. It is due to slowed intraventricular conduction. The epsilon wave may

    Arrhythmogenic cardiomyopathy

    Arrhythmogenic cardiomyopathy

    Arrhythmogenic_cardiomyopathy

  • Benzodiazepine overdose
  • Medical condition

    the seizure threshold, or in patients who have tachycardia, widened QRS complex on ECG, anticholinergic signs, or a history of seizures. Due to these

    Benzodiazepine overdose

    Benzodiazepine overdose

    Benzodiazepine_overdose

  • Ectopic pacemaker
  • Cardiac condition

    lie within the pulmonary vein and thoracic vein walls. On an ECG, the QRS complex will be abnormally shaped when looking at ventricular ectopic activity

    Ectopic pacemaker

    Ectopic pacemaker

    Ectopic_pacemaker

  • Cardiac electrophysiology
  • Science of elucidating, diagnosing, and treating the electrical activities of the heart

    electrophysiologists. Electrophysiological (EP) studies are performed to assess complex arrhythmias, elucidate symptoms, evaluate abnormal electrocardiograms,

    Cardiac electrophysiology

    Cardiac electrophysiology

    Cardiac_electrophysiology

  • Lev's disease
  • Medical condition

    in the cardiac conduction of the His-Purkinje system, widening of the QRS complex, and temporal potentially prolongation of the PR interval. However, individuals

    Lev's disease

    Lev's disease

    Lev's_disease

  • Milk-alkali syndrome
  • Symptoms due to excess consumption of calcium and alkali

    short OoT or OaT changes. Prolongation of PR and QRS intervals. Increased Amplitude of QRS complex. Osborn wave Short ST segment. Radiology Chest x-rays

    Milk-alkali syndrome

    Milk-alkali syndrome

    Milk-alkali_syndrome

  • Triiodothyronine
  • Chemical compound

    helpful clinical measure to assess contractility is the time between the QRS complex and the second heart sound. This is often decreased in hyperthyroidism

    Triiodothyronine

    Triiodothyronine

    Triiodothyronine

  • Variant angina
  • Cardiac chest pain at any time, not just periods of exertion

    elevated ST segment plus a widening of the R wave to create a single, broad QRS complex peak termed the "monophasic curve". Associated with these ECG changes

    Variant angina

    Variant angina

    Variant_angina

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QRS COMPLEX

  • Sayida
  • Girl/Female

    Arabic, Muslim

    Sayida

    Chief; Leader; Lady; Mrs

    Sayida

  • Gull
  • Surname or Lastname

    English

    Gull

    English : nickname from Middle English gulle ‘gull’ or gul(le) (Old Norse gulr) ‘yellow’, ‘pale’ (of hair or complexion).Swiss German : nickname for an irascible or unreliable person, from an Alemannic form of Latin gallus ‘rooster’. See also Guell.

    Gull

  • ARS
  • Male

    Egyptian

    ARS

    , a mystical personage from the Ritual of the Dead.

    ARS

  • Lillywhite
  • Surname or Lastname

    English

    Lillywhite

    English : nickname for someone with a complexion that was as ‘white as a lily’ (Middle English lilie).

    Lillywhite

  • Urs
  • Boy/Male

    Australian, Danish, French, German, Swedish

    Urs

    Bear

    Urs

  • Kersey
  • Surname or Lastname

    English

    Kersey

    English : habitational name from Kersey in Suffolk, recorded in Domesday Book as Careseia, probably from Old English cærs ‘watercress’ + ēg ‘island’, ‘area of dry land in a marsh’.

    Kersey

  • Dust
  • Surname or Lastname

    English

    Dust

    English : from Old English dūst ‘dust’, applied as a nickname, possibly for someone with a dusty complexion or hair (as, for example, a miller), or for a worthless person.North German : possibly a Westphalian habitational name from a farm named with dost ‘bush’, ‘brush’. However, the word also means ‘fine dust’, ‘flour’ and may have been applied as an occupational nickname for a miller. Compare 1.

    Dust

  • Hutt
  • Surname or Lastname

    English

    Hutt

    English : from the popular medieval personal name Hudde, which is of complex origin. It is usually explained as a pet form of Hugh, but there was a pre-existing Old English personal name, Hūda, underlying place names such as Huddington, Worcestershire. This personal name may well still have been in use at the time of the Norman Conquest. If so, it was absorbed by the Norman Hugh and its many diminutives. Reaney adduces evidence that Hudde was also regarded as a pet form of Richard.German : from a short form of a Germanic compound personal name formed with hut ‘guard’ as the first element.Variant spelling of German Hütt (see Huett).Jewish (Ashkenazic) : metonymic occupational name from Yiddish hut, German Hut ‘hat’ (see Huth).

    Hutt

  • Juers
  • Surname or Lastname

    North German and Frisian (Jürs)

    Juers

    North German and Frisian (Jürs) : patronymic form from a northern form of the personal name Georg (see George). Compare Jurgens.English : variant of Jowers.

    Juers

  • Earp
  • Surname or Lastname

    English (Midlands)

    Earp

    English (Midlands) : nickname for a dark-complexioned man, from Old English earp ‘swarthy’.Americanized spelling of German Erp.

    Earp

  • Dunn
  • Surname or Lastname

    Irish

    Dunn

    Irish : reduced Anglicized form of Gaelic Ó Duinn, Ó Doinn ‘descendant of Donn’, a byname meaning ‘brown-haired’ or ‘chieftain’.English : nickname for a man with dark hair or a swarthy complexion, from Middle English dunn ‘dark-colored’.Scottish : habitational name from Dun in Angus, named with Gaelic dùn ‘fort’.Scottish : nickname from Gaelic donn ‘brown’. Compare 1.

    Dunn

  • SIÔRS
  • Male

    Welsh

    SIÔRS

    Welsh form of Greek Georgios, SIÔRS means "earth-worker, farmer."

    SIÔRS

  • Medler
  • Surname or Lastname

    English (Norfolk)

    Medler

    English (Norfolk) : habitational name from Madehurst in Sussex, which gets its name from Old English mǣd ‘meadow’ (see Mead 1) + hyrst ‘wooded hill’. This place name appears in 12th-century records in the Normanized form Medl(i)ers. The surname is found in Norfolk as early as the 13th century in the form de Medlers; the landowning family that bore it was in vassalage to the Earl of Surrey, who had large estates in both Sussex and Norfolk.

    Medler

  • URS
  • Male

    German

    URS

    German form of Roman Latin Ursus, URS means "bear."

    URS

  • Gourangi | கௌராஂகீ
  • Girl/Female

    Tamil

    Gourangi | கௌராஂகீ

    Giver of happiness, One name of radhas name, Lord krishnas beloved, Fair complexioned

    Gourangi | கௌராஂகீ

  • Gresham
  • Surname or Lastname

    English

    Gresham

    English : habitational name from a place in Norfolk, so named from Old English græs, gærs ‘grass(land)’, ‘pasturage’ + hām ‘homestead’ or hamm ‘enclosure hemmed in by water’.

    Gresham

  • Heller
  • Surname or Lastname

    German

    Heller

    German : nickname from the small medieval coin known as the häller or heller because it was first minted (in 1208) at the Swabian town of (Schwäbisch) Hall. Compare Hall.Jewish (Ashkenazic) : habitational name for someone from Schwäbisch Hall.German : topographic name for someone living by a field named as ‘hell’ (see Helle 3).English : topographic name for someone living on a hill, from southeastern Middle English hell + the habitational suffix -er.Dutch : from a Germanic personal name composed of the elements hild ‘strife’ + hari, heri ‘army’.Jewish (Ashkenazic) : nickname for a person with fair hair or a light complexion, from an inflected form, used before a male personal name, of German hell ‘light’, ‘bright’, Yiddish hel.

    Heller

  • Darcy
  • Surname or Lastname

    English and Irish (of Norman origin)

    Darcy

    English and Irish (of Norman origin) : habitational name from Arcy in Manche, France, named from a Gaulish personal name (which, it has been suggested, may be akin to the Indo-European root ars- ‘bear’) + the locative suffix -acum.Irish : English surname adopted by bearers of the Gaelic surname Ó Dorchaidhe ‘descendant of the dark one’, from dorcha ‘dark’, ‘gloomy’. This Connacht name has fallen together with the Norman surname, which is certainly attested in Ireland, having been introduced there by Sir William D’Arcy and Sir John D’Arcy, who was appointed Chief Justiciar of Ireland in the 14th century.

    Darcy

  • Grise
  • Surname or Lastname

    English

    Grise

    English : variant of Grice.French (Grisé) : variant spelling of Griset, a nickname for someone with gray hair, a gray complexion, or perhaps one who habitually wore gray, from Old French gris ‘gray’.

    Grise

  • Maddern
  • Surname or Lastname

    English

    Maddern

    English : nickname for a person with a ruddy complexion, from an adjective derivative of Middle English mad(d)er ‘madder’, the dye plant (see Mader 1), here used in a transferred sense.

    Maddern

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Online names & meanings

  • OLIVIER
  • Male

    French

    OLIVIER

    Of Norman French origin, thus ultimately of Germanic origin, probably from German Alfihar, OLIVIER means "elf army." The name was first used as a character name in the French epic La Chanson de Roland.

  • Osana
  • Girl/Female

    Australian, Spanish

    Osana

    Health

  • Ziauddin |
  • Boy/Male

    Muslim

    Ziauddin |

    Light of the religion i.e. Islam

  • Chaffee
  • Surname or Lastname

    English (of Norman origin)

    Chaffee

    English (of Norman origin) : descriptive nickname from a derivative of Old French chauf ‘bald’ (Latin calvus). Compare Cave.

  • Palam
  • Girl/Female

    Indian, Punjabi, Sikh

    Palam

    Beautiful

  • Parishudh
  • Boy/Male

    Hindu, Indian

    Parishudh

    Pure

  • Kish
  • Boy/Male

    Biblical

    Kish

    Hard, difficult, straw, for age.

  • Vira
  • Boy/Male

    Indian, Sanskrit, Swedish

    Vira

    Heroic

  • Farzeen
  • Girl/Female

    Muslim/Islamic

    Farzeen

    Learned

  • Aatirah
  • Girl/Female

    Muslim/Islamic

    Aatirah

    Fragrant

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Other words and meanings similar to

QRS COMPLEX

AI search in online dictionary sources & meanings containing QRS COMPLEX

QRS COMPLEX

  • Complexionary
  • a.

    Pertaining to the complexion, or to the care of it.

  • Complexion
  • n.

    The state of being complex; complexity.

  • Complexional
  • a.

    Of or pertaining to constitutional complexion.

  • Complexity
  • n.

    The state of being complex; intricacy; entanglement.

  • Signora
  • n.

    Madam; Mrs; -- a title of address or respect among the Italians.

  • Complexion
  • n.

    The general appearance or aspect; as, the complexion of the sky; the complexion of the news.

  • Complexus
  • n.

    A complex; an aggregate of parts; a complication.

  • Complexities
  • pl.

    of Complexity

  • Complexioned
  • a.

    Having (such) a complexion; -- used in composition; as, a dark-complexioned or a ruddy-complexioned person.

  • Complexly
  • adv.

    In a complex manner; not simply.

  • Tirrit
  • n.

    A word from the vocabulary of Mrs. Quickly, the hostess in Shakespeare's Henry IV., probably meaning terror.

  • Mistress
  • n.

    A title of courtesy formerly prefixed to the name of a woman, married or unmarried, but now superseded by the contracted forms, Mrs., for a married, and Miss, for an unmarried, woman.

  • Complexness
  • n.

    The state of being complex; complexity.

  • Ers
  • n.

    The bitter vetch (Ervum Ervilia).

  • Complexity
  • n.

    That which is complex; intricacy; complication.

  • Seora
  • n.

    A Spanish title of courtesy given to a lady; Mrs.; Madam; also, a lady.

  • Complexion
  • n.

    A combination; a complex.