59 male, MI WITH CAD, STENTING TO MID RAC IN NOV.-2002 TAKING MEDICINES RAMIPRIL 5MG. OD, METOPROLOL 50MG. OD, ASPIRIN 75MG. BD, ATORVASTATIN 10MG. BD, LORAZEPAM 1MG MOR & 2MG. EVE. NATRILIX SR TWICE A WEEK, URIMAX 0.4MG. HS, LATELY AFTER TAKING TWO-THREE DRINKS I START GETTING PALPITATION AT MIDNIGHT ALTHOUGH THE PULSE RATE AT THAT TIME IS BELOW 100 BUT THE HEART BEAT IS VERY FORCEFUL. CAN YOU SUGGEST SOME MEDICATION TO CONTROL THIS