<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I am experiencing rapid heartbeats and palpitations, especially during physical activities.  <response>: Based on your symptoms, you seem to have Paroxysmal ventricular tachycardia, and I would recommend Carvedilol, Amiodarone, Digoxin, Spironolactone, Isosorbide, Ezetimibe Zetia, Sotalol, Metolazone, Torsemide, Mexiletine, and Adenosine to manage your condition. 