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In an ECG Pattern, the PQ Interval Indicates How Long

Question 89

Multiple Choice

In an ECG pattern, the PQ interval indicates how long it takes for the cardiac impulse to travel from the

A) SA node to the atrial muscle fibers.
B) SA node to the Purkinje fibers.
C) AV node to the atrial muscle fibers.
D) SA node through the AV node.

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