question: SUDDEN DROP IN BLOOD PRESSURE.  sUDDEN FALL RESULTED IN 10 STITCHES.   SYMPTONS  CONTINUE , FEELING WEAK, DIZZY,  PAIN IN THIGHS.  hUFF AND PUFF WHEN WALKING SHORT DISTANCES. HAVE BEEN DRINKING MORE WATER AND SALT.   (CHIPS).   uSUALLY TAKE CARVEDIL 3.125 EVERY DAY.   ALSO, 7.5 WARFARIN.