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... View answer

Having what feels like irregular heartbeats. Hurting in middle of back between shoulder blades. Hearing pounding of heart on ears.dull achey feeling between breasts ... 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... View answer

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

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

Sometimes out of no where my chest starts hurting, My heart beat gets fast and I sometimes start vomiting. I ve been rushed to he hospital before for this happing my heart was going so fast you... View answer

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

beating really FAST! Please help... ... View answer

because of my fast heartbeats and my body keeps shaking , and i can t go back to sleep till after 10 or 15 ... problem still exists .. even if i drank one little cup that has alcohol I start... View answer