Blockage of which of the following arteries would lead to ischemia of the apex of the heart? Anterior interventricular (descending) Left circumflex Posterior interventricular (descending) Right marginal Right coronary
Question
Blockage of which of the following arteries would lead to ischemia of the apex of the heart? Anterior interventricular (descending) Left circumflex Posterior interventricular (descending) Right marginal Right coronary
Solution
The blockage of the Anterior Interventricular (descending) artery would lead to ischemia of the apex of the heart.
Here's why:
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The heart is supplied by two main arteries: the left and right coronary arteries.
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The left coronary artery further divides into the Anterior Interventricular (descending) artery and the Left Circumflex artery.
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The Anterior Interventricular artery, also known as the Left Anterior Descending artery (LAD), supplies blood to the front part of the heart, including the apex.
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Therefore, if there is a blockage in the Anterior Interventricular artery, it would lead to a lack of blood supply (ischemia) to the apex of the heart.
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