<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been having slurred speech, sharp chest pain, fainting spells and my heartbeat feels irregular at times, what could be wrong?  <response>: Based on your symptoms, its possible that youre experiencing paroxysmal ventricular tachycardia. Well need to run some tests to confirm the diagnosis, but in the meantime, Ill prescribe medication to help manage the symptoms. Lets also discuss lifestyle changes you can make to manage this condition. 