drk1980
Forum Guru
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1) Which artery supplies the pacemaker of the heart?
2) Which artery when blocked in an acute MI, will give rise to the need for an artificial pacemaker?
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| sturge_weber
Forum Guru
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sa node is supplied 50 %by the rca and 50% by the lca. this is what q bank says
though anat book says that rca mainly supplies the sa node
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| skyhigh
Forum Guru
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is it LAD for 2
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| skyhigh
Forum Guru
Topics: 105
Posts: 561
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correction;
circumflex branch of lca
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| drk1980
Forum Guru
Topics: 147
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ok Q 3) Why is there "SUB"endocardial ischemia if the coronaries are on the surface?
(i hv a memory lapse on this process  )
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| skyhigh
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b/c branches supply different layers of the endocardium...
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| msyamp
Forum Fanatic
Topics: 60
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hahaha because branches are n the syrface that is the reason.all the muscle till subendiocardium gets good suply. haha
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| drk1980
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