What disorders can produce a systolic murmur?

Organic systolic ejection murmurs include those associated with valvular aortic stenosis, aortic sclerosis, supravalvular aortic stenosis, subvalvular aortic stenosis, hypertrophic obstructive cardiomyopathy, valvular pulmonic stenosis, pulmonary infundibular stenosis, atrial septal defect, and tetralogy of Fallot.

What does systolic murmur indicate?

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 is a soft heart murmur?

Overview. The non-medical term, murmur, refers to a soft, indistinct, sometimes almost inaudible sound. Similarly, a heart murmur, refers to a sound heard by a doctor listening to the heart with a stethoscope that often is subtle or soft although sometimes a heart murmur can be quite loud.

What is systolic murmur in child?

The systolic murmur is caused by an increased volume of blood coursing across the right ventricular outflow tract. If the murmur is audible, it can be heard at the upper left sternal border. Patients with atrial septal defects may also have a diastolic murmur.

What causes heart murmurs in babies?

Key points about heart murmurs in children Heart murmurs are extra or unusual sounds made by turbulent blood flowing through the heart. Many heart murmurs are harmless (innocent). Some heart murmurs are caused by congenital heart defects or other conditions. These are called pathologic.

Are systolic murmurs innocent?

Most innocent murmurs happen when the heart muscle is contracting, and are classified as systolic heart murmurs. Abnormal heart murmurs – can indicate a defect in the structure of the heart valve, or other heart valve abnormality present since birth or occurring later in life.

What is a soft mid systolic heart murmur?

Midsystolic murmurs. Midsystolic murmurs — also known as systolic ejection murmurs, or SEM — include the murmurs of aortic stenosis, pulmonic stenosis, hypertrophic obstructive cardiomyopathy and atrial septal defects.

How is Systolic murmur diagnosed?


  1. Echocardiogram. This test is the main test used to determine the cause of a heart murmur.
  2. Chest X-ray. A chest X-ray shows an image of your heart, lungs and blood vessels.
  3. Electrocardiogram (ECG).
  4. Cardiac catheterization.

When should I worry about a heart murmur in an infant?

But, if a child has a heart murmur and also develops symptoms such as shortness of breath, trouble eating or gaining weight, sweating while eating, or cyanosis (a blue tint to lips and skin), it could be a more serious condition that needs medical attention right away.