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Why Does My Heart Beat So Fast When I Am Nervous About
why does my heart beat so fast when i am nervous about something? today my history teacher was about to tell my marks and my heart beat was o fast that i thought something would happen to me! why does this happen? is it something serious?
posted on
Fri, 18 Dec 2009
Medically reviewed by
Ask A Doctor - 24x7 Medical Review Team
Tue, 14 Sep 2010
Answered on
Tue, 14 Sep 2010
Last reviewed on
User's Response
Katelynn's
Response
sometimes when i take a nap or try to sleep, i feel my heart beating and i feel this flutter and it wakes me up and when it does it starts to beat really fast and its pounding its a very disturbing feeling and it scares me. is this normal?
User's Response
Bart's
Response
it is ur sympathetic nervous system which secretes the neurotransmitter adrenalin which acts to speed up your heart and make it contract more powerfully this happens when you get excited or nervous or scared.
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