MAYO ECG Exam Tested Questions & Revised Correct Answers < UPDATED & ALREADY PASSED >
MAYO ECG Exam Tested Questions & Revised Correct Answers < UPDATED & ALREADY PASSED > PR interval represents: - ANSWER : electrical conduction time from the atria to the AV node Is atrial flutter benign? - ANSWER : no PR interval - ANSWER : .12-.20 QRS interval - ANSWER : <.12 What lead do you look at - ANSWER : V1 Interventions - ANSWER : assess the patient QRS wave - ANSWER : ventricular depolarization P wave - ANSWER : atrial depolarization AV node purpose - ANSWER : delays impulse from atria before it moves to the ventricles Where do you place the lead? - ANSWER : right sternal border, 4th intercostal space L! Rhythm with only p waves - ANSWER : Ventricular standstill SA node - ANSWER : the node consisting of specialized cells capable of automaticity at a rate of 60-100 Sinus Tachycardia - ANSWER : a rhythm characterized by 100-160 beats per minute
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