Class I
No limitation
Class II
Slight limitation ordinary activity
Class III
Marked limitation, less than ordinary activity
Class IV
Severe limitation, minimal activity or at rest
Prominent CV?
Raised jugular venous pressure
I
Very quiet
II
Quiet but easy to hear
III
Loud
IV
Loud with thrill
V
Loud audible without a stethescope
VI
Loud, audible from a distance
Which murmurs are louder with inspiration?
Right-sided