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2:1 atrioventricular block is a form of second-degree AV nodal block and occurs ... when an ECG reveals 2:1 AV nodal block: Carotid sinus massage or adenosine: This slows the sinus rate, allowing ...
The three irregularly irregular rhythms are atrial fibrillation, atrial flutter with variable conduction and multifocal atrial tachycardia ... degree AV block. 2:1 AV block is a form of second ...
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