ventricular tachycardia
"I was diagnosed with ventricular tachycardia back in the 70's but it was "paroxysmal" meaning unpredictable.  I was also diagnosed with anxiety attacks.  The Inderal was critical to my improvement and as life went on, I found that I was low in calcium, magnesium and potassium.  Supplementing those things basically expunged the tachycardia.  If I feel it coming on, I increase those things and use the Inderal and it goes away.  It also helped with the anxiety attacks.  So everyone is different...and diet, supplements are also critical to good health."