What are the most common causes of heart murmurs in older children?

Mar 23, 2024 ... A heart murmur is an extra sound in the heartbeat -- such as a ''whooshing'' -- that is caused by turbulent blood flow through the heart valves. Jul 17, 2023 ... Murmurs of the cardiac system develop due to alterations in blood flow or mechanical operation. Depending on the cause, auscultation findings in pitch, volume, ... Oct 20, 2022 ... Newborn heart murmurs are very common. They may be innocent or abnormal due to structural issues with the heart. Jul 8, 2023 ... For many typical, healthy children, a heart murmur is nothing to worry about. Called innocent murmurs, these are the most common type likely ... What does a heart murmur mean for my cat? early-valve-disease Backwards flow across an insufficient mitral valve leads to a sound called a heart murmur. Abnormal murmurs: These may indicate a serious heart condition such as a congenital (present at birth) heart defect. This type of murmur can cause chronic cough ... Many heart murmurs are not caused by a heart problem, but it's important to find out what is causing your child's heart murmur. Mar 28, 2025 ... “Long term, if the valves are not working well and they're causing the sound of a murmur, you can get remodeling or changes in the structure of ... A heart murmur is caused by turbulent blood flow within the heart. A heart murmur can also be classified as an innocent/ physiologic murmur. Murmurs are described by their timing in the cardiac cycle, intensity, shape, pitch, location, radiation and response to dynamic maneuvers.