Had thyroidectomy in May. XXXXXXX after. 200 levothyroxine causes fast heartbeat. Doc switched to 175. Headaches and fast heart beat better. Last blood test and doc said go back on 200. Two days on ... View answer

that just a few minutes or seconds of falling asleep I feel my heart beating fast and the heartbeats are very strong 2. And I am awakened by these strong and fast heartbeats 3. Then these... View answer

my heart is pounding irregularly. not really fast. just irregular and harder than normal. ... View answer

What does it mean when your heart is beating hard but not fast? ... View answer

[it feels like my heart is skipping/missing a beat, it only use to happen every once in a while. but now it seems more frequent, should this be cause for concern?] View answer

my heartbeats are sometimes very fast espcially after eating, when sleeping or when i m worried. ... View answer

skinny. what tips can you give me of gaining weight quick. I also have very fast metabolism so whatever I eat I don t gain the weight :( I m tired of people telling me I m so skinny like a... View answer

can be common in skinny people to feel it while laying or sitting but I am not sure if standing up is ... View answer

can very skinny people still get high blood preasure? 90 lbs and 5.`5 ... View answer

My 90 year old mother (who cannot tolerate medication) has atrial fibrillation and experiences fast heartbeats from time to time. Lately, the fast heartbeats last 4,5 or 6 hours before becoming... View answer