The atrioventricular node is the normal pacemaker of the heart.
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Q51: The main effect of parasympathetic stimulation on
Q52: The QRS complex represents atrial depolarization.
Q53: When the body is at rest,one complete
Q54: A diastolic murmur occurs between the second
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Q57: Atrial fibrillation is characterized by slow,irregular,uncoordinated depolarizations
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Q61: An autorhythmic cell membrane's slow drift to
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