Question: AV node reentry tachycardia ( AVNRT ) is a type of arrhythmia which can cause sudden ( and potentially fatal ) increases in heart rate.

AV node reentry tachycardia

(

AVNRT

)

is a type of arrhythmia which can cause sudden

(

and potentially fatal

)

increases in heart rate. AVNRT is caused by miscommunication between the sinoatrial node and the atrioventricular node. In a healthy heart, which of these nodes fires first?

Sinoatrial node

Atrioventricular node

They fire at the same time

AV node reentry tachycardia (AVNRT) is a type of arrhythmia which

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