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EKG
Medical Physiology, SOM 2014 fall part 1
7
Medical
Professional
10/03/2010

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Cards

Term
P wave
Definition
Atrial depolarization (atrial systole)
0.08-0.12 sec
Term
PR interval
Definition
SA node activation to AV node activation
Beginning of P to beginning of Q
0.16 seconds
Atrial contraction
Term
QRS wave
Definition
Ventricular depolarization
0.1 sec
precedes ventricular systole
Term
ST interval
Definition
Isoelectic (plateau of Fast AP and Rapid Ejection phase)
End of S to beginning of T
Term
T wave
Definition
Ventricular repolarization
reduced ejection phase
Term
QT interval
Definition
ventricular depolarization and repolarization
beginning of Q to end of T
Term
EKG
Definition
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