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Tuesday, January 06, 2009 Mike Proulx, Community Member, asks

Q: Explain inferior wall infarct

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Answers (4)
Martin Cane, M.D., Health Pro
1/ 7/09 2:55pm

Mike Proulx,


Thanks for your question.


An infarct is short for infarction, which is a medical term for tissue that has lost its blood supply and is no longer viable.  If this occurs in the brain, it is a cerebral infarction, or stroke.  In the heart, it is a myocardial (heart muscle) infarction, or heart attack.  With time, this area undergoes changes that eventually lead to a scar. 


When doctors talk about the heart as a pump, we usually are talking about the left ventricle which is the main pumping chamber.  The right ventricle is not a very effective pump, and gains much of its function by piggy backing on the left ventricle. 


The main areas of the left ventricle are the anterior wall (front of the heart), the posterior wall (back of the heart), the lateral wall (left side of the heart), and the inferior wall (the bottom of the heart).  Different blood vessels supply each area, with the right coronary artery supplying blood to the inferior wall. 


An inferior wall infarct is a myocardial infarction involving the bottom of the left ventricle, usually caused by a blockage within the right coronary artery.


I hope this has been helpful.


Martin Cane, M.D.


Karen Rodgers, Community Member
9/ 3/09 4:10pm

What is mild reversible aphemia on the inferior wall of the heart and what are the symptoms?

vishvesh apte, Community Member
12/24/10 12:30am

doctor has given report to my father stating 'old inferior wall infraction'. what is this? what problem it can create?

Claudia Capps, Community Member
5/ 2/14 1:04am

Thank you so much. I am doing a study of all my EKG's within the last two months and they keep changing. They keep changing rapidly. They show anterior/ inferior and inferoapical infarct abn Q in II/aVF/V6. I am to have another heart cath to open up a blockage and remove the fluid that surrounds the heart( pericarditis).

Thank you really you have hit it right on the button.

Claudia Pruitt


drkpsingh, Community Member
1/25/10 4:02pm

i am interested in heart diseases

stentman2001, Community Member
6/15/11 8:11pm

I have 22 cardiac heart stents, and just released from hospital -- Hoped to have CABG, but I think with this statement I am out of luck.  Can you explain this in layman's terms -- what is "Moderately enlarged left ventricle.  Large defects are noted within the cardiac apex, septum and inferior wall, seen on both the FDG and Myoview images which are all reltively fixed, with the exception of a small area of reversiabl viable tissue seen within the septum.  The ramining areas or nonreversible, compatible with areas of infarction.

Ron Hange, Community Member
1/26/13 4:56am

inferior wall infarct

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By Mike Proulx, Community Member— Last Modified: 05/03/14, First Published: 01/06/09