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

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 ...

Typical findings in patients with ASD may include a prominent right ventricular impulse along the left sternal border, a systolic ejection murmur audible along the left upper sternal border caused ...

The Graham-Steell murmur remained a universally accepted ... and an early systolic ejection click at the left sternal border. The pulmonic 2nd sound was increased in intensity.