Systolic murmurs can be classified as either midsystolic (systolic ejection murmurs, or SEM), holosystolic (pansystolic) or late systolic. A midsystolic murmur begins just after the S1 heart sound ...

Forward systemic flow can be reduced if the shunt is large resulting in symptoms of congestive heart failure ... septal defect produces a holosystolic murmur. Blood abnormally flows from the ...

Source: Focus Medica Narrowing of the heart's aortic valve. The valve which separates left ventricle (pumping chamber of the heart) and the aorta (the biggest blood vessel which carries blood to ...