1) Cardiac electrophysiology
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https://www.crosswordclues.com/clue/p-wave
Also called primary, longitudinal, irrotational, push, pressure, dilatational, compressional, or push-pull wave. P waves are the fastest body waves and arrive at stations before the S waves, or secondary waves. Their velocity in the crust varies between 5.0 and 7.0 km/s. The waves carry energy through the Earth as longitudinal waves, moving particl...
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http://earthquakescanada.nrcan.gc.ca/info-gen/glossa-eng.php
P-waves are a type of elastic wave, called seismic waves in seismology, that can travel through a continuum. The continuum is made up of gases (as sound waves), liquids, or solids, including the Earth. P-waves can be produced by earthquakes and recorded by seismographs. The name P-wave is often said to stand either for primary wave, as it has the ...
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http://en.wikipedia.org/wiki/P-wave
[electrocardiography] P wave in the ECG represents atrial depolarization, which causes atrial contraction. Absence of the P wave may indicate: ==Amplitude== Peaked p waves (>2.5mm) indicate right atrial enlargement(P pulmonale). A P wave with increased amplitude can indicate hypokalemia. It can also indicate right atrial enlargement. A P wa...
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http://en.wikipedia.org/wiki/P_wave_(electrocardiography)
A seismic body wave that shakes the ground back and forth in the same direction and the opposite direction as the direction the wave is moving. P waves are also known as compressional waves.
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http://www.daviddarling.info/encyclopedia/P/P_wave.html
A seismic body wave which propagate like sound waves, i.e. by compression and extension in the direction of travel. They can travel through solids and liquids and are the fastest of the seismic waves.
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http://www.encyclo.co.uk/local/20206
The first complex of the electrocardiogram, representing depolarisation of the atria; if the P wave is retrograde or ectopic in axis or form, it is labelled P'. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
P wave. A seismic body wave that shakes the ground back and forth in the same direction and the opposite direction as the direction the wave is moving.
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http://www.encyclo.co.uk/local/21456
Type: Term Definitions: 1. the first complex of the electrocardiogram, during sinus and atrial rhythms, representing depolarization of the atria; if the P wave is retrograde or ectopic in axis or form, it is labeled P′.
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http://www.medilexicon.com/medicaldictionary.php?t=99692
a positive deflection in the normal surface electrocardiogram produced by the wave of excitation passing over the atria; it represents atrial depolarization, an intrinsic atrial event.
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http://www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszS
A seismic wave that moves material in push-pull fashion in the direction of its travel. This type of seismic wave can travel through solids, liquids, and gases. Also called a primary wave.
Found on
http://www.physicalgeography.net/physgeoglos/p.html
The primary or fastest wave traveling away from a seismic event through the solid rock, and consisting of a train of compressions and dilations of the material along the path of the wave. See seismogram.
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http://www.scientificpsychic.com/etc/geology-glossary.html
Primary seismic waves. The fastest set of earthquake vibrations. They move through the Earth in comp
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http://www.superglossary.com/Glossary/Science/Geology/
In seismology, a class of seismic wave that passes through the Earth in the form of longitudinal pressure waves at speeds of 6–7 kps/3.7–4.4 mps in the crust and up to 13 kps/8 mps in deeper layers, the speed depending on the density of the rock. P-waves from an earthquake travel faster than S-waves and are the first to ar...
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https://www.encyclo.co.uk/local/21221
The first and faster of the body waves which moves by a series of compressions and dilatations, similar to a sound wave. They can travel through both solid and liquid.
Found on
https://www.encyclo.co.uk/local/23001
a longitudinal earthquake wave that travels through the interior of the earth and is usually the first conspicuous wave to be recorded by a seismograph. Also calledCf.
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https://www.infoplease.com/dictionary/p-wave
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