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본문내용
* Sinus rhythm
P wave : SA node
PR interval : AV node and bundles
QRS complex : Purkinje fibers/ventricular myocardium
T wave : Ventricular repolarization
* Escape rhythm
An escape beat is a heart beat arising from an ectopic focus when the sinus node fails in its role as a pacemaker or when the sinus impulse fails
출처 : 해피캠퍼스