Why the study?
Do provocative maneuvers alter the R-R interval in patients with persistent atrial fibrillation?
Do provocative maneuvers alter the R-R interval in patients with persistent atrial fibrillation?
The autonomic nervous system modulates the ventricular rate via the atrioventricular node and atrial tissue even in patients with persistent atrial fibrillation.
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Provocative maneuvers shorten R-R intervals in persistent AF; supports autonomic modulation of ventricular rate but leaves clinical implications open.
Nagayoshi et al. (1997) studied this question.
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