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.

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.

“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 ...