DEFINATLY see a cardiologist ASAP, like now and dont take no for an answer, pretend to pass out in the waiting room if need be.
Also have you started taking new meds or changed anything else in your life that could possibly be causing this as a side effect?
Avoid strenuous excersize
Avoid stress
Avoid all stimulants
Keep someone who knows cpr around you at all times
Keep your cellphone fully charged and in your pocket at all times
