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Why would someone feel pain in their left arm and jaw when having a heart attack ?

Why would someone feel pain in their left arm and jaw when having a heart attack ? Are there certain nerves that are the same as heart nerves that go to yuor arm and jaw ?
Asked On : Mon, 1 Feb 2010
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  Anonymous's Response

Hi.. Heart is supplied by a sympathetic nerves.. These sympthetic nerves are controlled by sympathetic gangion ( Dorsal thoracic ganglia 1 to 4) which also controls the  nerves arising from the neck, left arm.. Because of this crosslinking during a heart attack these ganglia perceive the pain as a pain arising from the neck and left arm.. This is the basis of any referred pain..

Answered: Tue, 2 Feb 2010
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