Differentiate between valvular, supravalvular, subvalvular aortic stenosis

The clinical findings of valvular aortic stenosis are presence of ejection click and sott A2

Clinical signs in subvalvular AS are given below

1. There is early diastolic murmur of AR.
2. Heart size is larger.
3. No ejection click or post stenotic dilatation of aorta.

Supravalvular AS signs are

1. Systolic BP of right  arm is more than left arm.
2. Thrill is more obvious than other types of AS and is conducted to carotids.
3. No ejection click, A2 is normal or accentuated no post stenotic dilation of aorta.