Consider a cardiac monitor whose time-base control is set so that the ECG trace moves horizontally at 25 mm/sec. If the patient’s heart rate is 75 beats per minute, how far apart would the peaks of the ECG trace be?
belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:18| Question number:34
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Medicine
C: 75 bpm means 75 beats take 60 seconds. Hence each beat must take less than one second. Divide by 75 to get length of one beat: 60/75 s = 0.8 s The ECG trace travels at 25 mm per second, so in 0.8 s would travel 1 5 25 mm/s = 20 mm
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