My friend Lynn, female, 55, in good health, no prior heart problrems, has chronic migraines. This morning with a really bad migraine, took immitrex pill, short time later began vomiting, went into atrial fib which has not resolved over a 4 hr period since vomiting. Shee is a family practice doctor, managed to do ekg which comfirmed atrial fib. Any ideas?