A Patient Who Normally Has a Pulse Rate of 82

question 54

Multiple Choice

A patient who normally has a pulse rate of 82 beats per minute is admitted to the cardiac unit with a pulse rate of 46 beats per minute. Which part of the cardiac conduction system is most likely initiating cardiac impulses?

• A) SA node
• B) AV node
• C) Purkinje fibers
• D) Left ventricle

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