How common are heart murmurs in adults?

Heart murmur causes. An innocent heart murmur can be caused by anemia, fever, hyperthyroidism or pregnancy. This type of murmur often disappears over time. An ... Jun 26, 2023 ... 1. Most heart murmurs are normal and caused by normal blood flow through the heart. · Murmurs are very common in kids: Up to 72% of all children ... A heart murmur is an abnormal sound -- such as a whooshing or swishing -- that is caused by blood moving in or around your heart during your heartbeat cycle. Key facts · A heart murmur is a 'swishing', 'whooshing' or 'rasping' noise heard between regular heart beats. · It can be harmless or a possible sign a heart ... Most heart murmurs in well-developed children are harmless. In adults, heart abnormalities may cause chest pain, and heart failure with symptoms of shortness of ... Jul 18, 2017 ... The most common heart murmur (innocent or benign murmur) is caused by normal blood flowing through the heart. These innocent murmurs can be ... 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, ... Sep 3, 2024 ... Many heart murmurs are innocent, but others can indicate problems with your heart. An innocent heart murmur doesn't cause problems or need treatment. May 12, 2016 ... Dr. Michael Morrow explains the most common causes of heart murmur and how cardiologists make a diagnosis using ultrasound technology for echocardiograms. Approximately 51.6% of neonates with heart murmur had congenital heart disease and only in 48.4% the murmur was innocent.