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A vagal maneuver works by causing the body's autonomic nervous system to slow or stop conduction through the A-V node. The A-V node is like a staircase, connecting the upper and lower heart chambers. Patients are frequently taught to bear down as if they are having a bowel movement in order to increase the pressure within the chest cavity to try to stop the SVT episode.
In some patients, the SVT does not stop on its own, and emergency care is needed. Talk to your doctor about an appropriate time to call 911 if the SVT does not stop on its own.
On average, 30 minutes is a reasonable time period to wait before calling 911. However, for those with other heart problems, it may be an even shorter period of time.
Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.
Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.