![]() ![]() The doctor may also choose to do some tests to help further diagnose the cause of the heart murmur: Grade 6: The sound is very loud, and doctors can hear it with the stethoscope off the surface of the chest.Grade 5: The sound is very loud, and doctors can hear it with the stethoscope barely on the chest. ![]() Grade 4: The sound is the same as grade 3 but with a palpable vibration.Grade 3: The sound is louder than the heart sounds.Grade 2: The sound is as loud as the heart sounds.Grade 1: The sound is softer than the heart sounds.Specialists typically evaluate murmurs with a grade of 4 or higher until proven otherwise. Grading murmursįor the intensity, doctors use a grading scale of 1–6. They will then use a stethoscope to determine whether the murmur is abnormal. The pediatric cardiologist will ask about the child’s medical history and symptoms. If a healthcare professional suspects that a child has a heart problem, they may refer the child to a pediatric cardiologist, a doctor specializing in heart problems in babies and children. People who have difficulty controlling diabetes or phenylketonuria while pregnant and those who caught rubella during pregnancy are at risk of having a baby with a heart murmur. Other conditions that may cause or contribute to heart murmurs include:Ī child may also develop a heart murmur following an infection or another health condition. Learn more about congenital heart defects. reversed blood flow because of a leaky valve.cardiomyopathy, which makes the heart muscles too thick or weak to pump blood normally.valve abnormalities, such as the valves being too thick, narrow, or small.abnormal connections between the two main arteries of the heart.holes in the heart wall, known as septal defects. ![]() On the other hand, abnormal heart murmurs are typically due to structural abnormalities that are present from birth, known as congenital heart defects.
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