Answered: The ECG records the electrical…

The ECG records the electrical stimulation of cardiac muscle by the conduction system and not the contraction of the muscle itself.? True or False ?

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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4. The ECG records the electrical stimulation of cardiac muscle by the conduction system and not the contraction of the muscle itself.?

True or False ?

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5. Heart (pulse) rate: Listen to your heart with the stethoscope, and count the number of beats for 10 seconds. Convert (x6) to generate = _______ bpm. Likewise, measure your pulse rate at the carotid & radial arteries for 10 seconds. At carotid artery:_______bpm. At radial artery:_______ bpm
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2. How is an action potential in a contractile cardiac cell different from action potential in a pacemaker cell? (Write the phases and the channels involved for each phase).
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