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 ...
Diastolic murmurs are graded on a scale of 1 ... grade 4 diastolic or grade 6 systolic murmurs are heard even without the stethoscope on the chest and may actually be visible. The intensity of a ...