The "murmur" is the sound of blood flowing. It may be passing through an abnormal heart valve, for instance. Or it may be that a condition makes your heart beat faster and forces your heart to handle more blood quicker than normal.
What causes heart murmurs in infants, children, and adults?
Heart murmurs can be harmless (innocent) or abnormal. An innocent heart murmur is not a sign of heart disease and doesn't need treatment. Abnormal heart murmurs require follow-up testing to determine the cause. Treatment is directed at the cause of your abnormal heart murmur.
Heart Murmur Symptoms. If you have an innocent heart murmur, you probably won’t have any symptoms. But if you have these symptoms, you may have an abnormal heart murmur: shortness of breath, chest pain, fainting, dizziness, a cough that won’t go away, blue skin around your lips and fingertips,
Cardiac murmurs and other cardiac sounds A periodic humming or blowing sound heard on auscultation of the heart that can indicate the presence of cardiac disease; murmurs are the result of vibrations caused by the turbulent flow of blood in the heart or great vessels.
785.3 - Other abnormal heart sounds | ICD-10-CM.
Types of murmurs include: Systolic murmur. This happens during a heart muscle contraction. Systolic murmurs are divided into ejection murmurs (due to blood flow through a narrowed vessel or irregular valve) and regurgitant murmurs (backward blood flow into one of the chambers of the heart). Diastolic murmur.
Systolic murmurs of grade 3 or more in intensity are usually hemodynamically significant....Intensity of Murmur.Grading of MurmursDescriptionGrade 2Quiet, but heard immediately after placing the stethoscope on the chest.Grade 3Moderately loud.Grade 4Murmur is very loud, with palpable thrill.3 more rows•Jan 20, 2021
1: Cardiac murmur, unspecified.
Types of murmurs are: Systolic murmur. This happens during a heart muscle contraction. Systolic murmurs are divided into ejection murmurs (because of blood flow through a narrowed vessel or irregular valve) and regurgitant murmurs (backward blood flow into one of the chambers of the heart).
What Are the Different Types of Murmurs?Systolic murmur. A heart murmur that occurs during a heart muscle contraction. ... Diastolic murmur. A heart murmur that occurs during heart muscle relaxation between beats. ... Continuous murmur. A heart murmur that occurs throughout the cardiac cycle.
A heart murmur may happen: When the heart is filling with blood (diastolic murmur) When the heart is emptying (systolic murmur) Throughout the heartbeat (continuous murmur)