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Electrocardiogram waveform representing repolarization of the heart's ventricles
electrocardiography, the T wave represents the repolarization of the ventricles. The interval from the beginning of the QRS complex to the apex of the T wave is referred
T_wave
Topics referred to by the same term
The term T-wave may refer to: T wave, a portion of the recording of a heartbeat in an electrocardiogram Terahertz radiation, electromagnetic radiation
T-wave
Japanese musician, producer and composer (born 1953)
Insatiable High (1977) Brasilian Skies (1978) On Guitar (1978) Jolly Jive (1979) T-Wave (1980) Finger Dancin' (1980) The Rainbow Goblins (1981) Alone (1981) Saudade
Masayoshi_Takanaka
Dynamic disturbance in a medium or field
traveling wave; by contrast, a pair of identical superimposed periodic waves traveling in opposite directions makes a standing wave. In a standing wave, the
Wave
Electrocardiogram waveform representing ventricular contraction in the heart
the P wave. An R wave follows as an upward deflection, and the S wave is any downward deflection after the R wave. The T wave follows the S wave, and in
QRS_complex
Periodic variation in the T wave of an electrocardiogram
In cardiology, T wave alternans (TWA) is a periodic beat-to-beat variation in the amplitude or shape of the T wave in an electrocardiogram (ECG or EKG)
T_wave_alternans
Examination of the heart's electrical activity
ECG: The P wave, which represents depolarization of the atria The QRS complex, which represents depolarization of the ventricles The T wave, which represents
Electrocardiography
Range 300-3000 GHz of the electromagnetic spectrum
radiation, terahertz waves, tremendously high frequency (THF), T-rays, T-waves, T-light, T-lux or THz – consists of electromagnetic waves within the International
Terahertz_radiation
Type of wave
also support. "Longitudinal waves" and "transverse waves" have been abbreviated by some authors as "L-waves" and "T-waves", respectively, for their own
Longitudinal_wave
ECG waveform
The U wave is a wave on an electrocardiogram (ECG). It comes after the T wave of ventricular repolarization and may not always be observed as a result
U_wave
Feature of an electrocardiogram
In electrocardiography, the ST segment connects 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
ST_segment
Heart condition
considered an evolving wave form, initially of biphasic T wave inversions and later becoming symmetrical, often deep (>2 mm), T wave inversions in the anterior
Wellens'_syndrome
Transport of energy by wind waves, and the capture of that energy to do useful work
desalination, or pumping water. A machine that exploits wave power is a wave energy converter (WEC). Waves are generated primarily by wind passing over the sea's
Wave_power
Measurement made on an electrocardiogram
heart. It is calculated as the time from the start of the Q wave to the end of the T wave, and correlates with the time taken from the beginning to the
QT_interval
Unexpectedly large transient ocean surface wave
Rogue waves (also known as freak waves, monster waves, or killer waves) are large and unpredictable surface waves that can be extremely dangerous to ships
Rogue_wave
Series of water waves
tsunami (/(t)suːˈnɑːmi, (t)sʊˈ-/ (t)soo-NAH-mee, (t)suu-; from Japanese: 津波, lit. 'harbour wave', pronounced [tsɯnami]) is a series of waves in a water
Tsunami
Type of wave propagating in 3 dimensions
In physics, a plane wave is a special case of a wave or field: a physical quantity whose value, at any given moment, is constant through any plane that
Plane_wave
Music genre from the 1970s and 1980s
New wave is a music genre encompassing pop-oriented styles that emerged in the United States and United Kingdom in the mid- to late 1970s. The term was
New_wave_music
Type of abnormal heart rhythm
(represented by the latter half of the T-wave). An R-on-T can initiate torsades. Sometimes, pathologic T-U waves may be seen in the ECG before the initiation
Torsades_de_pointes
Wave shaped like the sine function
A sine wave, sinusoidal wave, or sinusoid (symbol: ∿) is a periodic wave whose waveform (shape) is the trigonometric sine function. In mechanics, as a
Sine_wave
Wave that remains in a constant position
In physics, a standing wave, also known as a stationary wave, is a wave that oscillates in time but whose peak amplitude profile does not move in space
Standing_wave
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 direction
Notching in electrocardiography
Notching_in_electrocardiography
Non-sinusoidal waveform
wave. The equivalent piecewise linear functions x ( t ) = t − ⌊ t ⌋ {\displaystyle x(t)=t-\lfloor t\rfloor } x ( t ) = t mod 1 {\displaystyle x(t)=t{\bmod
Sawtooth_wave
Heart block in the right ventricle
"slurred" S wave). The T wave should be deflected opposite the terminal deflection of the QRS complex. This is known as appropriate T wave discordance
Right_bundle_branch_block
Differential equation for the description of waves or standing wave
The wave equation is a second-order linear partial differential equation for the description of waves or standing wave fields such as mechanical waves (e
Wave_equation
Mathematical description of quantum state
determines how wave functions evolve over time, and a wave function behaves qualitatively like other waves, such as water waves or waves on a string, because
Wave_function
"t" &'$wave -1' & "_to_" & '$wave' to place "Slot_" & '$wave'; connect "1" place "Empty_" & '$wave' to transition "t" &'$wave -1' & "_to_" & '$wave';
Petriscript
Heart rate measuring algorithm used in ECGs
composed by a downward deflection (Q wave), a high upward deflection (R wave) and a final downward deflection (S wave). The Pan–Tompkins algorithm applies
Pan–Tompkins_algorithm
Elevation of the ST segment on an electrocardiogram
(termination of QRS complex and the beginning of ST segment) and ends with the T wave. The ST segment is the plateau phase, in which the majority of the myocardial
ST_elevation
Topics referred to by the same term
segment, the part of an electrocardiogram connecting the QRS complex and the T wave Sulfotransferase, enzymes that catalyze the transfer of a sulfo group Heat-stable
ST
Fluid dynamics theory on gravity waves
dynamics, Airy wave theory (often referred to as linear wave theory) gives a linearised description of the propagation of gravity waves on the surface
Airy_wave_theory
Short "burst" or "envelope" of restricted wave action that travels as a unit
In physics, a wave packet (also known as a wave train or wave group) is a short burst of localized wave action that travels as a unit, outlined by an
Wave_packet
function of a system (maybe a particle) ψ α ( x , t ) {\displaystyle \psi _{\alpha }(x,t)} - wave function of a particle in position representation,
Glossary of elementary quantum mechanics
Glossary_of_elementary_quantum_mechanics
Disruption of heart rhythm from a blow
electrocardiograph (ECG) T wave (see ECG image). Only chest impacts occurring on a narrow band of the ECG during the upslope of the T wave (40 milliseconds (ms)
Commotio_cordis
2008 video game
Memories Off 6: T-wave (メモリーズオフ シックス ～トライアングル・ウェーブ～, Memorīzu Ofu Shikkusu ~Toraianguru Uēbu~) is a Japanese romance visual novel developed by 5pb. originally
Memories_Off_6:_T-wave
Woodblock print by Hokusai (1831)
The Great Wave off Kanagawa (Japanese: 神奈川沖浪裏, Hepburn: Kanagawa-oki Nami Ura; lit. 'Under the Wave off Kanagawa') is a woodblock print by the Japanese
The_Great_Wave_off_Kanagawa
Abnormal electrocardiogram finding
A J wave — also known as Osborn wave, camel-hump sign, late delta wave, hathook junction, hypothermic wave, K wave, H wave or current of injury — is an
J_wave
Quantum mechanical waves describing matter
Matter waves are a central part of the theory of quantum mechanics, being half of wave–particle duality. At all scales where measurements have been practical
Matter_wave
1995 freak wave
The Draupner wave, also known as the New Year's wave or Draupner freak wave, was a rare rogue wave that was the first to be detected by a measuring instrument
Draupner_wave
Vibrational energy transfer in Earth or other planetary body
A seismic wave is a mechanical wave of acoustic energy that travels through the Earth or another planetary body. It can result from an earthquake (or
Seismic_wave
Aspect of relativity in physics
Gravitational waves are waves of spacetime curvature produced by the relative motion of gravitating masses and which propagate away at the speed of light
Gravitational_wave
Concept in quantum mechanics
Wave–particle duality is the concept in quantum mechanics that fundamental entities of the universe, like photons and electrons, exhibit particle or wave
Wave–particle_duality
Chest pain due to heart muscles that is easily provoked
of ischemia (e.g., ST segment depression or transient elevation or new T wave inversion) on electrocardiograms. Symptoms of unstable angina are the same
Unstable_angina
This is a list of wave topics. Contents: Top 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Index_of_wave_articles
Medical condition
a second depolarization and contraction. The repolarization creates the T wave in the ECG tracing. An electrocardiogram, or ECG, is used to differentiate
Atrioventricular_block
Electrocardiogram waveform representing atrial contraction
the P wave on an electrocardiogram (ECG) represents atrial depolarization, which results in atrial contraction, or atrial systole. The P wave is a summation
P_wave_(electrocardiography)
Excess potassium in the blood
T waves, and the inactivation of sodium channels causes a sluggish conduction of the electrical wave around the heart, which leads to smaller P waves
Hyperkalemia
Deformation of the right ventricle of the heart
strain by echo. Indicative of a prominent S wave in lead I, a Q wave in lead III, and an inverted T wave in lead III, which is also known as the McGinn–White
Right_heart_strain
Propagating disturbance
wave, shockwave, or shock is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like an ordinary wave,
Shock_wave
Medical condition
T-waves while negative QRS complexes have positive T-waves. The ST segments typically slur into the T-wave and often appear elevated in leads with negative
Left_bundle_branch_block
1989 studio album by T-Square
Wave is the fourteenth studio album by Japanese jazz fusion band T-Square. It was released on March 21, 1989. From 1978 to 1986, their music would strictly
Wave_(T-Square_album)
Wave where gravity is the main restoring force
called a wave orbit. Gravity waves on an air–sea interface of the ocean are called surface gravity waves (a type of surface wave), while gravity waves that
Gravity_wave
Phenomenon resulting from the superposition of two waves
coherent waves are combined by adding their intensities or displacements with due consideration for their phase difference. The resultant wave may have
Wave_interference
Synchronized action by a stadium audience
The wave (also Mexican wave outside North America) is a type of metachronal rhythm achieved in a packed stadium or other large seated venue, when successive
Wave_(audience)
Interruption of cardiac blood supply
biomarkers, a rise in the ST segment, changes in the shape or flipping of T waves, new Q waves, or a new left bundle branch block can be used to diagnose an AMI
Myocardial_infarction
Partial differential equation used in physics
electromagnetic wave equation is a second-order partial differential equation that describes the propagation of electromagnetic waves through a medium
Electromagnetic_wave_equation
Restriction of electrical impulse flow in the heart's bundle branches
monophasic R wave in lead I. Another normal finding with bundle branch block is appropriate T wave discordance. In other words, the T wave will be deflected
Bundle_branch_block
Moving wave that has oscillations perpendicular to the direction of the wave
a transverse wave is a wave that oscillates perpendicularly to the direction of the wave's advance. In contrast, a longitudinal wave travels in the
Transverse_wave
Topics referred to by the same term
of DNA T, gene and protein symbol for the transcription factor brachyury Thoracic vertebrae T-1 through T-12 T wave, the repolarization wave of cardiac
T_(disambiguation)
Medical diagnostic method
minutes after the onset of infarction. Hyperacute T waves need to be distinguished from the peaked T waves associated with hyperkalemia. In the first few
Electrocardiography in myocardial infarction
Electrocardiography_in_myocardial_infarction
Type of seismic wave
continuum mechanics, a P wave (primary wave or pressure wave) is one of the two main types of elastic body waves or seismic waves. P waves travel faster than
P_wave
Insufficient potassium in the blood
T-wave depression, U-wave formation). The earliest ECG findings associated with hypokalemia are decreased T wave height. Then, ST depressions and T inversions
Hypokalemia
Medical condition
This can be mistaken for sinus bradycardia if the PAC is buried in the T wave since the PAC will reset the SA node and lead to a long P–P interval. Hypothyroidism
Bigeminy
Wireless standard for intelligent building networks
Z-Wave is a wireless communications protocol used primarily for residential and commercial building automation. It is a mesh network using low-energy radio
Z-Wave
Prolonged period of excessively hot weather
A heat wave or heatwave, sometimes described as extreme heat, is a period of abnormally hot weather that lasts for multiple days. A heat wave is usually
Heat_wave
Medical sign
anatomic left ventricular hypertrophy (LVH) in the form of ST depression and T wave inversion on a resting ECG. It is an abnormality of repolarization and it
Strain_pattern
Type of elastic body wave
In solid mechanics, S waves, secondary waves, or shear waves (sometimes called elastic S waves) are a type of elastic wave and are one of the two main
S_wave
Nonlinear and periodic surface wave on an inviscid fluid layer of constant mean depth
In fluid dynamics, a Stokes wave is a nonlinear and periodic surface wave on an inviscid fluid layer of constant mean depth. This type of modelling has
Stokes_wave
Intercollegiate athletics teams of Tulane University
The Tulane Green Wave are the athletic teams that represent Tulane University, located in New Orleans, Louisiana. Tulane competes in NCAA Division I as
Tulane_Green_Wave
Depression of the ST segment on an electrocardiogram
aVL with acute inferior myocardial infarction) ST segment depression and T-wave changes may be seen in patients with unstable angina Depressed but upsloping
ST_depression
Heart condition
QRS complex is positive (height of R wave > S wave), equiphasic (R wave = S wave), or negative (R wave < S wave). If lead I is positive and lead aVF is
Left_axis_deviation
Inertial wave in rotating fluids
Rossby waves, also known as planetary waves, are a type of inertial wave naturally occurring in rotating fluids. They were first identified by Sweden-born
Rossby_wave
Global rise in popularity of Korean culture
The Korean Wave, or hallyu (Korean: 한류; IPA: [ˈha(ː)ʎʎu] ), refers to the rise in global interest in South Korean popular culture that has spread rapidly
Korean_Wave
Type of energy propagation
Acoustic waves are types of mechanical waves that propagate through matter—such as gas, liquid, and/or solids—by causing the particles of the medium to
Acoustic_wave
Higher than typical heart rate
Rhythm: Regular. P waves: Upright, in leads I, II and aVL, and negative in lead aVR; each P wave is followed by a QRS and T waves In inappropriate sinus
Sinus_tachycardia
Frequency change of a wave for observer relative to its source
or, equivalently, the period of a wave in relation to an observer who is moving relative to the source of the wave. It is named after the physicist Christian
Doppler_effect
Vector describing a wave; often its propagation direction
In physics, a wave vector (or wavevector) is a vector used in describing a wave, with a typical unit being cycle per metre. It has a magnitude and direction
Wave_vector
Series of waves generated by distant weather systems
surface gravity waves. These surface gravity waves have their origin as wind waves, but are the consequence of dispersion of wind waves from distant weather
Swell_(wave)
Physical model of propagating energy
electromagnetic radiation (EMR) or an electromagnetic wave (EMW) is a self-propagating wave of the electromagnetic field that carries momentum and radiant
Electromagnetic_radiation
Solution of Euler equations
trochoidal wave or Gerstner wave is an exact solution of the Euler equations for periodic surface gravity waves. It describes a progressive wave of permanent
Trochoidal_wave
Abnormal heart rhythm due to faulty electrical connections in the heart
and when an electrocardiogram (ECG) show a short PR interval and a delta wave. It is a type of pre-excitation syndrome. WPW syndrome may be monitored or
Wolff–Parkinson–White syndrome
Wolff–Parkinson–White_syndrome
Surface waves generated by wind on open water
In fluid dynamics, a wind wave, or wind-generated water wave, is a surface wave that occurs on the free surface of bodies of water as a result of the
Wind_wave
Type of non-sinusoidal waveform
Square wave sound sample 5 seconds of square wave at 220 Hz Sine wave sound sample For comparison, five seconds of a 220 Hz sine wave. Problems playing
Square_wave_(waveform)
Family of wireless networking technology
WaveLAN was a brand name for a family of wireless networking technology sold by NCR, AT&T, Lucent Technologies, and Agere Systems as well as being sold
WaveLAN
Nonlinear and exact periodic wave solution of the Korteweg–de Vries equation
In fluid dynamics, a cnoidal wave is a nonlinear and exact periodic wave solution of the Korteweg–de Vries equation. These solutions are in terms of the
Cnoidal_wave
Coffee movement emphasizing quality
Third-wave coffee is a term primarily in the United States coffee industry emphasizing higher quality, single-origin farms and light roast to bring out
Third-wave_coffee
Major surges of democracy in history
democratic waves. Huntington describes three waves: the first "slow" wave of the 19th century, a second wave after World War II, and a third wave beginning
Waves_of_democracy
Dispersion of waves on a water surface
wave theory and capillary wave. The simplest propagating wave of unchanging form is a sine wave. A sine wave with water surface elevation η ( x , t )
Dispersion_(water_waves)
Change in membrane potential
upright T-wave, whereas a duration of 20–40 msec would give an isoelectric wave and anything under 20 msec would result in a negative T-wave. Early repolarization
Repolarization
Periodic rectangular waveform
A pulse wave, pulse train, or rectangular wave is a sequence of discrete pulses occurring in a signal over time. Typically, these pulses are of similar
Pulse_wave
Medical condition
Electrocardiographical abnormalities Epsilon waves in V1 – V3 Localized prolongation (>110 ms) of QRS in V1 – V3 Inverted T waves in V1 -V3 in an individual over 12
Arrhythmogenic_cardiomyopathy
Low-frequency plasma wave
In plasma physics, an Alfvén wave, named after Hannes Alfvén, is a type of plasma wave in which ions oscillate in response to a restoring force provided
Alfvén_wave
Type of magnetohydrodynamic instability
drift waves involving electron flow is given by ω ∗ = k ⊥ ( − k B T e e B 0 ∇ n 0 n 0 ) , {\displaystyle \omega ^{*}=k_{\perp }\left(-{\frac {k_{B}T_{e}}{eB_{0}}}{\frac
Drift_waves
Topics referred to by the same term
three or more waves, which includes the "three-wave equation" Quantum mechanics Wave equation Quantum state Matter wave Flint H.T., (1929) Wave Mechanics
Wave_mechanics
Type of wave in plasma
the waves are dispersionless ( ω = v s k {\displaystyle \omega =v_{s}k} ) with a speed given by (see derivation below) v s = γ e Z k B T e + γ i k B T i
Ion_acoustic_wave
Non-sinusoidal waveform
sawtooth wave. For a triangle wave spanning the range [−1, 1] the expression becomes x ( t ) = 2 | 2 ( t p − ⌊ t p + 1 2 ⌋ ) | − 1. {\displaystyle x(t)=2\left|2\left({\frac
Triangle_wave
Height that waves reach on a slope
Wave run-up is the height to which waves run up the slope of a revetment, bank or dike, regardless of whether the waves are breaking or not. Conversely
Wave_run-up
Type of electromagnetic radiation
Radio waves (formerly called Hertzian waves) are a type of electromagnetic radiation with the lowest frequencies and the longest wavelengths in the electromagnetic
Radio_wave
Wave that forms at the bow of a ship moving through water
A bow wave is the wave that forms at the bow of a ship when it moves through the water. As the bow wave spreads out, it defines the outer limits of a
Bow_wave
Abnormally fast rhythm of the heart's ventricles
A Josephson's sign where there is the notch in the downsloping of the S wave near its nadir (considered very specific for the VT) Capture beats (normal
Ventricular_tachycardia
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