It's a crazy question. But I was just reading about the ReliefBand for controlling nausea (people on a group I am on say it really works for that). And the description of how it works made me wonder if it could help control vagal afib:
"Reliefband® is worn on the wrist, with the band holding the device to the underside of the wrist. When it’s turned on, it releases a specific pattern of pulses, like beats on a drum, that stimulate a nerve under the skin called the median nerve. These pulses create a signal, which pulses through the body’s nervous system to the part of the brain that controls nausea, retching, and vomiting. This area is known as the dorsal vagal complex. The pulses quiet and normalize the nerve messages that travel along what’s called the vagus nerve, from the brain to the stomach."