aortic valve heart sound (A2)
Jump to navigation
Jump to search
Introduction
Aortic component of 2nd heart sound (S2), or A2, reflecting closure of the aortic valve which normally precedes P2 (closure of pulmonic valve).
Loud A2: systemic hypertension
Soft A2: aortic stenosis, heavily calcified valve
More general terms
References
- ↑ Harrison's Principles of Internal Medicine, 13th ed. Companion Handbook, Isselbacher et al (eds), McGraw-Hill Inc. NY, 1995, pg 327