You see a one-year-old girl in your office. The girl was brought by her parents to the clinic for a well child examination. The girl has been doing well and has gained weight appropriately. The parents deny respiratory difficulties or diaphoresis. On physical exam, you note a murmur. Which of the following features is usually associated with an innocent murmur?

Non-harmful noises produced by blood flowing regularly out through the heart's chambers and valves or via blood arteries close to the heart are called "innocent heart murmurs". They can be frequent during childhood and adolescence and frequently go away with maturity. Occasionally, they are referred to as "functional murmurs" or "physiologic murmurs."

Systolic heart murmurs, which occur when the heart is contracting, are the most common kind of innocent murmurs. The presence of abnormal cardiac murmurs could be a sign of a congenital problem in the heart valve's structure or of another heart valve issue that develops in later life, although it is called "innocent".

This question should be provided with answer choices, which are:

A. Blowing quality
B. Grade 3 intensity
C. Increased intensity with upright position
D. Short systolic duration

The correct answer is D.

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