1) Bradycardia means  a) A faster than normal heartbeat. b) A slower than normal heart beat. c) A heartbeat of more than 100 times a minute. d) A heartbeat of 75 times a minute. 2) Tachycardia means  a) a heart rate over 100 beats per minute. b) a heart rate of 60 beats per minute.  c) a skipped heart beat. d) a heart murmur. 3) Paced rhythm is used for all but a) Sinus node dysfunction b) AV node dysfunction c) Long QT syndrome d) A difficult break - up 4) Atrial Fibrillation   a) is a regular and often very slow heart rhythm. b) is an irregular and often very rapid heart rhythm. c) cannot lead to blood clots in the heart. d) it's not a serious medical condition. 5) A heart block is the slowing down of the electrical signal from the upper chambers of the heart to the lower chambers. a) True b) False 6) Sinus rhythm refers to the rhythm of your heartbeat, determined by the sinus node of your heart. a) True b) False

Understanding Waveforms

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