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447939 tn?1235061943

what actually cause a heart attack

how does a heart attack actually happen? i realise they can be caused by valves being damaged, but what about the people were it comes out of the blue? do they have blocked valves but dont realise? im so scared of this happening to me. i think i could relax more if i knew some facts. pls help
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447939 tn?1235061943
oh no now im freaked everyone told me i cant have all the heart attacks i think i do or i would really have bad symptoms. last night my dog barked and really made me jump, my heart was racing and i had chest pain i been ok today but am so scared
Helpful - 0
187666 tn?1331173345
Many people have silent heart attacks and continue to live. My Dad had 4 heart attacks and continued to live. The key is how badly damaged is the heart from the heart attack. Usually an angiogram is used to find narrowings and blockages in the vessels.
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447939 tn?1235061943
would an echo detect these problems or can they just come from nowhere? if you did have a heart attack and just thought it was anxiety pains how long would you stay alive for?
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520292 tn?1232035850
A heart attack happens when your hearts oxygen saturation drops to a certain low level.  This can happen from many possible causes.  Most of the time it is heart disease, clogged arteries, or possibly erratic beating of the heart which causes it.  Sleep apnea also is a new major factor of heart problems, so watch out for that.

Jondsam (RN, BSN)
Helpful - 0
187666 tn?1331173345
Sometimes a clot can travel from another part of the body and block a vessel causing a heart attack. Sometimes plaque from a partially clogged vessel can break loose and cause a blockage. In rare cases a severe vaso-spasm may cause a heart attack.
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