i have chest pain all the time magnesium seems to be helping. i also have supraventricular tachycardia, a-fib, average heart rate 96 bpm, pvc’s premature atrial beats, maximum heart rate 214. even with all this i was told i’m a woman and they do not have heart problems. i see a cardiologist at the cleveland clinic on the 18th of this month hope i get a better.