 |
Aortic Stenosis |
|---|
| |
Aortic Stenosis |
|---|
 |
Brief Information |
|---|
| Description |
Calcification of valve cusps restricts forward flow; forceful ejection from ventricle into systemic circulation. Caused by congenital bicuspid valves, and rheumatic heart disease. |
| Type and Detection | Heard over aortic area; ejection sound at second right intercostal border. |
| Findings on Examination |
Midsystolic murmur, medium pitch, coarse, diamond-shaped, crescendo-decrescendo; radiates down left sternal border (sometimes to apex) and to carotid with palpable thrill. |
| Heart Sound Components |
S1 normal often followed by ejection click; S2 soft or absent
and may not to be split; S4 palpable. |
| Compare with |
|---|
| Normal Heart Sound (441K) |
| Mitral Stenosis (424K) |
| Pulmonary Stenosis (438K) |
| Aortic Regurgitation (491) |
| Mitral Regurgitation (438K) |
compiled by Dr
R S MacWalter, Consultant Physician, Tayside
Universtiy Hospitals Hospitals NHS Trust, Honorary
Senior Lecutrer, University of Dundee, Ninewells
Hospital & Medical School, Dundee, Scotland, Duncan MacWalter and Gordon
MacWalter.
