ECG Analysis: Rhythm Recognition (Relias) Test | Questions with 100% Correct Answers | Verified |

What is the normal PR interval for an atrial fibrillation rhythm? - ANSWER - Not applicable Which of the following measures the time from the start of atrial depolarization to the start of ventricular depolarization? - ANSWER - PR Interval Which of the following is associated with sinus tachycardia? - ANSWER - anxiety, fear, pain What is the normal duration for the PR interval? - ANSWER - 0.12-0.20 What is characteristic of standard ECG paper? - ANSWER - Comprised of small boxes measuring 0.04 seconds Which rhythm occurs when the atrial rate and ventricular rate occur independently? - ANSWER - Third Degree Block What is a characteristic of sinus bradycardia? - ANSWER - less than 60 bpm What part of the heart is the origin of an idioventricular rhythm? - ANSWER - Ventricles What ECG rhythm has no discernible P waves, irregular fibrillatory waves, and an irregular R to R interval? - ANSWER - Atrial fibrillation What helps determine if a patient is Â"toleratingÂ" a rhythm? - ANSWER - Blood pressure and level of consciousness What part of the heart ejects blood into the aorta? - ANSWER - Left Ventricle When placing a 5 lead ECG on a patient, which lead would be placed on the right 4th intercostal space? - ANSWER - 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. - ANSWER - True What is a potential cause of PVCs? - ANSWER - Hypokalemia What type of AV block is associated with progressively longer PR intervals and an eventual Â"droppedÂ" QRS complex? - ANSWER - Second Degree Type-1