Questions: Which of the following is a typical 2-D echo finding associated with hypertrophic CMP? Group of answer choices reduced LV cavity size reduced LV cavity size and visibly thickened posterior wall hyperkinetic IVS visibly thickened posterior wall

Which of the following is a typical 2-D echo finding associated with hypertrophic CMP? Group of answer choices reduced LV cavity size reduced LV cavity size and visibly thickened posterior wall hyperkinetic IVS visibly thickened posterior wall

Solution

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The answer is the second one: reduced LV cavity size and visibly thickened posterior wall.

Explanation for each option:

  1. Reduced LV cavity size: While reduced left ventricular (LV) cavity size can be a feature of hypertrophic cardiomyopathy (CMP), it is not the most comprehensive finding on its own. Hypertrophic CMP typically involves more specific structural changes.

  2. Reduced LV cavity size and visibly thickened posterior wall: This option is correct because hypertrophic CMP is characterized by a thickened myocardium, particularly the posterior wall, and often a reduced LV cavity size due to the thickened walls encroaching on the cavity space.

  3. Hyperkinetic IVS: While the interventricular septum (IVS) can be hyperkinetic in hypertrophic CMP, this is not the most typical or defining feature. The primary finding is the thickening of the myocardium.

  4. Visibly thickened posterior wall: This is a correct finding but is incomplete without mentioning the reduced LV cavity size, which is also a typical feature of hypertrophic CMP.

Summary: The most typical 2-D echo finding associated with hypertrophic CMP is a combination of reduced LV cavity size and visibly thickened posterior wall.

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