Grade of murmur
Cardiac auscultation
Terminology
100

Soft murmur that can be auscultated consistently in a quiet room

what is a grade II out of VI murmur?

100

Left side, between the 4th and 5th rib, just above the costochondral junction

Where is the Aortic valve?

100

An abnormal, usually periodic sound heard on auscultation of the heart or blood vessels due to turbulent blood flow

What is a murmur?

200

Loud murmur with precordial thrill 

What is a grade V out of VI murmur?

200

Left side, between the 5th and 6th rib at the costochondral junction.

Where is the mitral valve?

200

Maintaining a relatively constant loudness.

What is a plateau murmur?

300

Moderate intensity murmur 

What is grade III out of VI murmur?

300

Right side between the 4th and 5th rib near the costochondral junction.

Where is the tricuspid valve?

300

The location at which the cardiac beat can be best heard on the chest wall 

What is the point of maximum intensity?

400

Very loud, can be heard with stethoscope off the body wall

What is a grade VI out of VI murmur?

400

Left side, at the 3rd intercostal space, just above the sternum (point of elbow) 

where is the Pulmonic valve?

400

Creates a sound that changes back and forth from loud to quiet. 

Crescendo-decrescendo murmurs