Systolic murmurs are graded on a scale of 1-6 while diastolic murmurs are graded on a scale of 1-4 (see below). Often, grade 1 murmurs are not discernable to inexperienced clinicians, while grade ...

Outside of the heart, audible turbulence is referred to as a bruit, whereas inside the heart it is called a murmur. A pictorial representation of systolic and diastolic murmurs is below.

A Grade 4/6 decrescendo diastolic murmur at the left sternal border and a Grade 1/6 apical systolic murmur were noted. An electrocardiogram showed atrial fibrillation, right-axis deviation and a 4-mm.

“An overactive thyroid may cause turbulent blood flow in the heart,” says Dr. Collier, leading to a what’s known as a systolic heart murmur—it occurs before the first sound your heart ...

9,14 They are a diastolic murmur at the base or left sternal border or a long systolic murmur, loudest at the apex and transmitted to the axilla, with or without an associated apical diastolic murmur.