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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
Vibrational energy transfer in Earth or other planetary body
Primary waves (P waves) are compressional waves that are longitudinal in nature. P waves are pressure waves that travel faster than other waves through
Seismic_wave
Quantum mechanical waves describing matter
with a particle with momentum p through the Planck constant, h: λ = h p . {\displaystyle \lambda ={\frac {h}{p}}.} Wave-like behavior of matter has been
Matter_wave
Dynamic disturbance in a medium or field
body waves—the primary (P waves) and secondary waves (S waves)—and surface waves, such as Rayleigh waves, Love waves, and Stoneley waves. A shock wave is
Wave
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)
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
QRS_complex
are two kinds of seismic body waves in solids, pressure waves (P-waves) and shear waves. In linear elasticity, the P-wave modulus M {\displaystyle M}
P-wave_modulus
Type of elastic body wave
after the compressional primary wave, or P wave, because S waves travel more slowly in solids. Unlike P waves, S waves cannot travel through the molten
S_wave
Type of wave
Longitudinal waves are waves which oscillate in the direction which is parallel to the direction in which the wave travels and displacement of the medium
Longitudinal_wave
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
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
Cardiac rhythm
electrocardiogram (ECG), a sinus rhythm is characterised by the presence of P waves that are normal in morphology. The term normal sinus rhythm (NSR) is sometimes
Sinus_rhythm
Series of water waves
(t)soo-NAH-mee, (t)suu-; from Japanese: 津波, lit. 'harbour wave', pronounced [tsɯnami]) is a series of waves in a water body caused by the displacement of a large
Tsunami
Point on the Earth's surface that is directly above the hypocenter in an earthquake
compressional (P waves) while it absorbs the transverse or shear waves (S waves). Outside the seismic shadow zone, both types of wave can be detected
Epicenter
Aspect of heart function
the electrical impulses throughout the atria is seen on the ECG as the P wave. As the electrical activity is spreading throughout the atria, it travels
Cardiac_conduction_system
Area not reached by seismic waves from an earthquake
of the Earth's surface where seismographs cannot detect direct P waves and/or S waves from an earthquake. This is due to liquid layers or structures within
Shadow_zone
P-waves (also known as primary or compressive waves) penetrate down into the earth. Due to mode conversion, a P-wave can reflect upwards as an S-wave
Converted-wave_analysis
Scientific study of earthquakes and propagation of elastic waves through a planet
of body waves, pressure waves or primary waves (P waves) and shear or secondary waves (S waves). P waves are longitudinal waves associated with compression
Seismology
Medical condition
types of second-degree AV block, called 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
Second-degree atrioventricular block
Second-degree_atrioventricular_block
Period in electrocardiography
period, measured in milliseconds, that extends from the beginning of the P wave (the onset of atrial depolarization) until the beginning of the QRS complex
PR_interval
Music scene
No wave was an avant-garde music and visual art scene that emerged in the late 1970s in Downtown New York City. The term was coined as a rejection of commercial
No_wave
Scales to describe earthquake strength
magnitudes. Body-waves consist of P waves that are the first to arrive (see seismogram), or S waves, or reflections of either. Body-waves travel through
Seismic_magnitude_scales
Horizontally polarized surface waves
Rayleigh waves (another type of surface wave). Love waves travel with a lower velocity than P- or S- waves, but faster than Rayleigh waves. These waves are
Love_wave
Sudden movement of the Earth's crust
seismic waves, which travel through rock with different velocities: Longitudinal P waves (shock- or pressure waves) Transverse S waves (both body waves) Surface
Earthquake
Innermost part of Earth, a solid ball of iron-nickel alloy
reflected PKiKP waves, and antipodal to it for the transmitted PKIKP waves. While S waves cannot reach or leave the inner core as such, P waves can be converted
Earth's_inner_core
Measure of the strength of earthquakes
One of these is based on the long-period P-wave; The other is based on a recently discovered channel wave. The energy release of an earthquake, which
Richter_scale
Geophysical principle
determined. P-wave refraction evaluates the compression wave generated by the seismic source located at a known distance from the array. The wave is generated
Seismic_refraction
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
Performance of the human heart
electrocardiogram, electrical systole initiates the atrial systole at the P wave deflection of a steady signal; and it starts contractions (systole). The
Cardiac_cycle
Boundary between the Earth's crust and the mantle
that seismograms from shallow-focus earthquakes had two sets of P-waves and S-waves, one set that followed a direct path near the Earth's surface and
Mohorovičić_discontinuity
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
earthquakes recorded at a three-component seismograph. A teleseismic P-wave will generate P-to-S conversions at boundaries, such as the Moho (crust-mantle boundary)
Receiver_function
first measure the reading of the initial motion of P wave, and then confirm the arrival of S wave. The value of the epicenter distance Δ is found on the
Epicentral_distance
Music genre from the 1970s and 1980s
New wave is a music genre that encompasses pop-oriented styles that emerged in the United States and United Kingdom in the mid- to late 1970s. The term
New_wave_music
Abnormally fast heart rhythm
is caused by a reentry circuit localised to the SA node, resulting in a P-wave of normal shape and size (morphology) that falls before a regular, narrow
Supraventricular_tachycardia
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
Predicts density vs depth in Earth
seismic waves and the density of the Earth's interior. Given the average density of rocks at the Earth's surface and profiles of the P-wave and S-wave speeds
Adams–Williamson_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
Imaging technique used in seismology
seismic waves are generated by earthquakes or man-made sources such as explosions. Different types of waves, including P, S, Rayleigh, and Love waves can
Seismic_tomography
Non-sinusoidal waveform
Sawtooth wave 5 seconds of 220 Hz sawtooth wave Problems playing this file? See media help. The sawtooth wave (or saw wave) is a kind of non-sinusoidal
Sawtooth_wave
between seismic P-wave velocity and S-wave velocity in brine-saturated siliciclastic rocks (i.e. sandstones and shales). The equation reads: V p = 1.16 V s
Mudrock_line
Describe the partitioning of seismic wave energy at an interface
relate the amplitude of P-wave, incident upon a plane interface, and the amplitude of reflected and refracted P- and S-waves to the angle of incidence
Zoeppritz_equations
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
Physical property that measures stiffness of material
by a moment. Two other elastic moduli are Lamé's first parameter, λ, and P-wave modulus, M, as used in table of modulus comparisons given below references
Elastic_modulus
Geologic boundary
The Lehmann discontinuity is an abrupt increase of P-wave and S-wave velocities at the depth of 220 km (140 mi) in Earth's mantle, discovered by seismologist
Lehmann_discontinuity
Equation that relates seismic P-wave velocity to the bulk density of the lithology
seismic P-wave velocity to the bulk density of the lithology in which the wave travels. The equation reads: ρ = α V p β {\displaystyle \rho =\alpha V_{p}^{\beta
Gardner's_relation
Discontinuous earthquake-like event
responsible for LFEs and earthquakes in general is done by the P wave first-motion method. LFE P waves, when successfully detected, have first motions indicative
Slow_earthquake
Danish seismologist (1888–1993)
waves emanating from the earthquakes, which were called seismic waves. They were unexpected locations due to the theory that S-waves and some P-waves
Inge_Lehmann
Measure of earthquake size
earthquakes (typically M > 4), replacing the local magnitude (ML ) and surface-wave magnitude (Ms ) scales. Subtypes of the moment magnitude scale (Mww , etc
Moment_magnitude_scale
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
Seismic wave velocity variation
Seismic velocity structure is the distribution and variation of seismic wave speeds within Earth's and other planetary bodies' subsurface. It is reflective
Seismic_velocity_structure
Body-waves consist of P waves that are the first to arrive (see seismogram), or S waves, or reflections of either. Body-waves travel through rock directly
Body_wave_magnitude
Medical condition
at an ECG: it usually presents without a P wave or with an inverted P wave. Retrograde, or inverted, P waves refers to the depolarization from the AV
Junctional_rhythm
Property of waves that can oscillate with more than one orientation
is a property of transverse waves which specifies the geometrical orientation of the oscillations. In a transverse wave, the direction of the oscillation
Polarization_(waves)
Plane containing the surface normal and the propagation vector of the incoming radiation
vector of the incoming radiation. (In wave optics, the latter is the k-vector, or wavevector, of the incoming wave.) When reflection is specular, as it
Plane_of_incidence
Medical condition
where one will see the same P-wave morphology through the same lead because each beat is started from the SA node. The P-wave is normally upright or positive
Wandering_atrial_pacemaker
indicates that the wave travels as a shear or S wave through the mantle, the K shows that the wave travels as a compressional or P wave through the outer
SKS_wave
Faint earth tremor caused by natural phenomena
seismic waves that make up the microseismic field are Rayleigh waves, but Love waves can make up a significant fraction of the wave field, and body waves are
Microseism
Active continental rift zone in East Africa
around the world. Recent improvements of tomographic Earth models of P wave and S wave velocities suggest that a superplume upwelling from the lower mantle
East_African_Rift
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
Origin point beneath an air explosion
depth can be calculated from measurements based on seismic wave phenomena. As with all wave phenomena in physics, there is uncertainty in such measurements
Hypocenter
Seismic anisotropy is the directional dependence of the velocity of seismic waves in a medium (rock) within the Earth. A material is said to be anisotropic
Seismic_anisotropy
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
Physical phenomenon
physics, a surface wave is a mechanical wave that propagates along the interface between differing media. A common example is gravity waves along the surface
Surface_wave
Medical condition
chambers. On 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
Atrioventricular_block
Wave which is an oscillation of matter
longitudinal waves, and surface waves. Some of the most common examples of mechanical waves are water waves, sound waves, and seismic waves. Like all waves, mechanical
Mechanical_wave
1981 novel by Todd Strasser/Morton Rhue
for the movie The Wave, a fictionalized account of the "Third Wave" teaching experiment by Ron Jones that took place in an Ellwood P. Cubberley High School
The_Wave_(novel)
Medical condition
occasionally see a retrograde P wave. Ventricular escape (rate 20–40): originates in ventricular conduction system; no P wave, wide, abnormal QRS. Treatment
Sinoatrial_arrest
Medical condition
electrocardiogram (ECG) that has a pronounced notch in the P wave. However, if atrial fibrillation is present, a P wave would not be present. In any case, LAE can be
Left_atrial_enlargement
The S&P 500 is a stock market index maintained by S&P Dow Jones Indices. It comprises 503 common stocks which are issued by 500 large-cap companies traded
List_of_S&P_500_companies
Differential equation important in physics
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
Discontinuity where the bottom of the planet's mantle meets the outer layer of the core
seismic wave velocities at that depth due to the differences between the acoustic impedances of the solid mantle and the molten outer core. P-wave velocities
Core–mantle_boundary
Equations of light transmission and reflection
Fresnel's equations correctly predicted the differing behaviour of waves of the s and p polarizations incident upon a material interface. When light strikes
Fresnel_equations
no P wave due to the inactivation of the atrial muscles. Hyperkalemia can lead to sinoventricular conduction, as evidenced on ECG by the P waves becoming
Sinoventricular_conduction
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
Aspect of relativity in physics
Gravitational waves are waves of spacetime curvature that propagate at the speed of light and are produced by the relative motion of gravitating masses
Gravitational_wave
Instrument that records seismic waves by measuring ground motions
The point of the cable first disturbed by an earthquake's p wave (essentially a sound wave in rock) can be determined by sending packets in both directions
Seismometer
Abnormal heart rhythm originating from an atrial location
4 to 1 AV block P wave morphology Unifocal, but similar in morphology to each other Might be inverted Differs from normal sinus P wave May exhibit either
Atrial_tachycardia
Concept in physics
In plasma physics, waves in plasmas are an interconnected set of particles and fields which propagate in a periodically repeating fashion. A plasma is
Waves_in_plasmas
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
Ratio of shear stress to shear strain
isotropic solids, there are two kinds of waves, pressure waves and shear waves. The velocity of a shear wave, ( v s ) {\displaystyle (v_{s})} is controlled
Shear_modulus
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
Physical phenomenon
Shear wave splitting, also called seismic birefringence, is the phenomenon that occurs when a polarized shear wave enters an anisotropic medium. The incident
Shear_wave_splitting
In plasma physics, an electromagnetic electron wave is a wave in a plasma which has a magnetic field component and in which primarily the electrons oscillate
Electromagnetic_electron_wave
Earth science program exploring the structure of the North American continent
passage of energy waves impinging on those structures. The waves of energy are P-waves generated by earthquakes and are recording the wave velocities. The
EarthScope
Medical condition
P wave) occurs very soon after stimulation of the ventricles (which causes the QRS complex). As a result, the time from the QRS complex to the P wave
AV nodal reentrant tachycardia
AV_nodal_reentrant_tachycardia
O P Q R S T U V W X Y Z P-adic quantum mechanicsfpa P-factor P-form electrodynamics P-nuclei P-process P-type semiconductor P-wave P-wave modulus P. Buford
Index_of_physics_articles_(P)
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
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
Teaching aid in cardiac physiology
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 jugular venous waveform
Wiggers_diagram
Relation between seismic amplitude and wave travel distance
V_{\mathrm {P} }}{V_{\mathrm {P} }}}} where θ {\displaystyle {\theta }} =angle of incidence; V p {\displaystyle {V_{p}}} = P-wave velocity in medium; Δ V p {\displaystyle
Amplitude_versus_offset
Waves propagating between brain regions
Ponto-geniculo-occipital waves or PGO waves are distinctive wave forms of propagating activity between three key brain regions: the pons, lateral geniculate
PGO_waves
Resistance of a material to uniform pressure
sustain transverse waves: for these materials one additional elastic modulus, for example the shear modulus, is needed to determine wave speeds. It is possible
Bulk_modulus
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
this pressure wave, and a localized earthquake event is more probable. The first and fastest wave, equivalent to a normal earthquake's P wave, can inform
Effects_of_nuclear_explosions
Fast heart rhythm associated with exacerbations of COPD
wandering atrial tachycardia. "Multiform" refers to the observation of variable P wave shapes, while "multifocal" refers to the underlying cause. Although these
Multifocal_atrial_tachycardia
Global rise in popularity of Korean culture
The Korean Wave, or hallyu (Korean: 한류; IPA: [ˈha(ː)ʎʎu] ), refers to the important rise in global interest in South Korean popular culture that has spread
Korean_Wave
Medical condition
reset. Since the sinus P wave to PVC interval is less than the normal P–P interval, the interval between the PVC and the next P wave is prolonged to equal
Bigeminy
Skipped beat with atrial origin
abnormally shaped P wave in different ECG leads. Since the premature beat initiates outside the sinoatrial node, the associated P wave appears different
Premature_atrial_contraction
Genre of music
Dark wave (also known as darkwave) is a music genre that emerged from the new wave and post-punk movement of the late 1970s. Dark wave compositions are
Dark_wave
P WAVE
P WAVE
Male
Hungarian
Hungarian form of English Philip, FÜLÖP means "lover of horses."
Surname or Lastname
English
English : habitational name from Patmore in Hertfordshire, which appears in Domesday Book as Patemere, from an Old English personal name P(e)atta + Old English mere ‘lake’, ‘pool’.
Surname or Lastname
English
English : variant of Cudlip(p), a habitational name from Cudlipptown in Petertavy, Devon.Americanized form of German Gottlieb.
Surname or Lastname
English
English : habitational name from Skipton or Skipton-on-Swale in North Yorkshire. Both places are named with Old English scīp ‘sheep’ (with later change of ‘s’ to ‘sk’ under Scandinavian influence) + tūn ‘enclosure’, ‘settlement’.
Surname or Lastname
English
English : occupational name for a carrier, from Middle English sum(p)ter ‘(driver of a) pack animal’.
Surname or Lastname
English
English : habitational name from any of the various places, for example in Dorset, Glloucestershire, Hampshire, Oxfordshire, and Shropshire, so called from Old English scēap, scīp ‘sheep’ + tūn ‘enclosure’, ‘settlement’.
Surname or Lastname
English
English : habitational name, perhaps from Lepton in West Yorkshire, which is named from Old English hlēp ‘leap’ (hence ‘cliff’, ‘steep slope’) + tūn ‘enclosure’, ‘settlement’.English : probably a variant of Leverton.
Surname or Lastname
French
French : from a pet form of the personal name P(i)erre, French form of Peter.English (Bristol) : variant of Parrott
Female
English
Pet form of English Peg, PEGGY means "pearl." It is a variant spelling of Meggie, the pet form of Meg. The reason for the change from "M" to "P," which also occurs in Molly and Polly, is not known.
Boy/Male
Muslim
Deer name of a sahabi who p
Surname or Lastname
English
English : topographic name for someone who lived on or by a strip of land, Old English strīp.
Boy/Male
Indian
Deer name of a sahabi who p
Surname or Lastname
Americanized spelling of Swedish Ap(p)elberg, an ornamental name composed of the elements apel ‘apple tree’ + berg ‘mountain’.English
Americanized spelling of Swedish Ap(p)elberg, an ornamental name composed of the elements apel ‘apple tree’ + berg ‘mountain’.English : the surname Applebury is recorded in England in the 19th century, perhaps a habitational name from a lost place.
Girl/Female
Australian, British, Danish, English, German
Mistress of All; Power of the Home; World Ruler; P
Surname or Lastname
English
English : habitational name from any of the various places, for example in Derbyshire, County Durham, Northumberland, Shropshire, Sussex, and West Yorkshire, so called from Old English scēap, scīp ‘sheep’ + lēah ‘wood’, ‘clearing’.
Surname or Lastname
English
English : from a personal name, Old English SnÄ«p or Old Norse SnÃpr.English : habitational name from a place so called in former Northumberland.
Surname or Lastname
English
English : topographic name from Middle English slape ‘slippery, miry place’, or a habitational name from any of the places named with this word (Old English slǣp), as for example Slape in Dorset or Sleap in Shropshire.
Surname or Lastname
Ukrainian, Jewish (from Ukraine), Polish, Serbian, and Hungarian (Cáp)
Ukrainian, Jewish (from Ukraine), Polish, Serbian, and Hungarian (Cáp) : from Ukrainian tsap ‘billy goat’, Polish cap, and so probably a nickname for someone thought to resemble the animal in some way or perhaps a metonymic occupational name for a goat herd.Czech (Čáp) : nickname for a tall or long-legged man, from Äáp ‘stork’.Southern French : from Occitan cap ‘head’ (Latin caput); probably a nickname for a person with something distinctive about his head. The word was often used in the metaphorical sense ‘chief’, ‘principal’, and the surname may also have denoted a leader or a village elder. In some cases it may also be a topographic name from the same word used in the sense of a promontory or headland.Americanized spelling of German Kapp.English : variant spelling of Capp.
Surname or Lastname
English, Dutch, and Jewish
English, Dutch, and Jewish : variant of Samson. The -p- was introduced in the Greek transliteration of the Hebrew name Shimshon. The English surname has also long been established in Ireland.
Surname or Lastname
English (mainly southern)
English (mainly southern) : metonymic occupational name for a dancer, or a nickname for someone with an odd gait, from Middle English trip(p)(en) ‘to step lightly, skip, or hop’ (Old French triper).English : metonymic occupational name for a butcher or tripe dresser, from Middle English, Old French trip(p)e ‘tripe’ (of unknown origin).German : metonymic occupational name for a maker of wooden pattens (trippe), a type of raised sole that could be strapped to normal footwear for walking in unpaved muddy streets.
P WAVE
P WAVE
Boy/Male
Indian
Road, Path
Girl/Female
Indian
Smiling
Girl/Female
Hebrew American Biblical Italian
Graceful lily.
Female
English
Latin form of Greek Bernike, BERNICE means "bringer of victory." In the bible, this is the name of the eldest daughter of Herod Agrippa. This is the form used in the Authorized Version.Â
Boy/Male
Norse
Son of Thorkol.
Girl/Female
Indian, Marathi, Muslim
Happiness
Female
Portuguese
Variant spelling of Portuguese Eufémia, EFIGÊNIA means "Well I speak."Â
Girl/Female
Assamese, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Tamil, Telugu
Goddess Durga
Girl/Female
Native American
Small duck.
Boy/Male
Arabic, Muslim
Kindness of Husain
P WAVE
P WAVE
P WAVE
P WAVE
P WAVE