Systolic murmurs are graded on a scale of 1-6 while ... while grade 6 murmurs are heard even without the stethoscope on the chest and may actually be visible. The intensity of a murmur is ...

Often, grade 1 systolic/diastolic murmurs are not discernible ... on the chest and may actually be visible. The intensity of a murmur is primarily determined by the volume/velocity of blood ...

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.