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please can someone tell me what athe diff between this is
A. subendocardial ischaemia
B. Sub endocardial infarction
C. Myocardial ischaemia
D. myocardial infarction
i had the concept that ST elevation is only in MI and prinzmetzils angina
it seeems like there is ST elevation in Sub endocardial infarction too
i know there was a question regarding this in u world..
confused....
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ischemia=angina=narrow vessel=low blood supply
infarction=obstructed blood vessel=absent bld supply
subendocardial ischemia --st seg depression
transmural ischemia--no clue
subenddocardial infarction-- deep T inversion
transmural infarction--ST elevation
hope it helps
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so is sub endocardial ischaemia considered to be MI or not
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no it's angina
subendocardial infarction yes it's MI
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oh so it shud have st elevation rigght. toha
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it is call non-ST segment elevation MI ... differentiated from angina by checking cardiac enzymes
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There is no difference on EKG in case of subendocardial ischaemia (UNSTABLE ANGINA) & subendocardial infarct (NSTEMI). By the time the enzymes will raise (will tell the two apart, though), it will be too late. You can't wait for Q wave to develop as it will not develop. Treat unstable angina like MI, Don't wait.
Transmural Ischaemia is due to coronary artery spasm (variant angina). episodic. EKG st elevation, no Q wave yet. Treat with ca channel blockers.
Transmural Infarct st elevation & Q wave develop (dif between Ischaemia & Infarction)=Aggressive treatment.
