ECG Analysis: Rhythm Recognition (Relias) Questions and Answers 100% Pass

ECG Analysis: Rhythm Recognition (Relias) Questions and Answers 100% Pass What is the normal PR interval for an atrial fibrillation rhythm? Not applicable Which of the following measures the time from the start of atrial depolarization to the start of ventricular depolarization? PR Interval Which of the following is associated with sinus tachycardia? anxiety, fear, pain What is the normal duration for the PR interval? 0.12-0.20 What is characteristic of standard ECG paper? Comprised of small boxes measuring 0.04 seconds Which rhythm occurs when the atrial rate and ventricular rate occur independently? Third Degree Block What is a characteristic of sinus bradycardia? less than 60 bpm What part of the heart is the origin of an idioventricular rhythm? Ventricles What ECG rhythm has no discernible P waves, irregular fibrillatory waves, and an irregular R to R interval? Atrial fibrillation What helps determine if a patient is Â"toleratingÂ" a rhythm? Blood pressure and level of consciousness What part of the heart ejects blood into the aorta? Left Ventricle When placing a 5 lead ECG on a patient, which lead would be placed on the right 4th intercostal space? V True or False: Multifocal Atrial Tachycardia is caused by at least three ectopic atrial pacemakers and has a rate of greater than 100 beats per minute. True What is a potential cause of PVCs? Hypokalemia What type of AV block is associated with progressively longer PR intervals and an eventual Â"droppedÂ" QRS complex? Second Degree Type-1 How long is a normal QRS complex? less than 0.12 seconds What is an expected atrial rate in atrial flutter? 250-400 bpm Which rhythm has a "sawtooth" patterned waves? Atrial flutter What part of the cardiac cycle correlates with the QRS complex? Ventricular depolarization Which ECG finding is present in an idioventricular rhythm? Wide QRS