Shared Flashcard Set

Details

ECG leads LN
pics of leads for test 2
19
Nursing
Not Applicable
11/08/2011

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Cards

Term
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Definition
normal sinus rhythm
Term
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Definition
sinus tachycardia
Term
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Definition
sinus bradycardia
Term
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Definition
PAC (premature atrial complexes)
Term
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Definition
atrial fibrillation
Term
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Definition
PVC (premature ventricular contraction)
Term
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Definition
atrial flutter
Term
P wave
Definition
electrical impluse starting in the sinus node and spreading through the atria
Term
QRS complex
Definition
ventricular depolarization
Term
T wave
Definition
ventricular repolarization (regaining negative charge; also called the resting state)
Term
U wave
Definition
represents repolarization of purkinje fibers
Term
PR interval
Definition
measured from the beginning of the  wave to the beginning of the QRS complex; normally 0.12-0.20 seconds
Term
ST segment
Definition
represents early ventricular repolarization; lasts from end of QRS complex to beginning of the T wave
Term
QT interval
Definition
total time for ventricular depolarization and repolarization; measured from beginning of QRS complex to end of T wave
Term
TP interval
Definition
measured form end of T wave to beginning of the next P wave
Term
PP interval
Definition
measured from beginning of one P wave to the beginning of the next; used to determine atrial rate and rhythm
Term
RR interval
Definition
measured from beginning of QRS complex to beginning of next QRS complex; used to determine ventricular rate and rhythm
Term
[image]
Definition
breakdown of ecg
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