Medical Term:
first heart sound
Definition: occurs with ventricular systole and is mainly produced by closure of the atrioventricular valves.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.
 |
 |
Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment.
Data sources include Micromedex™ (updated Apr 24th, 2013), Cerner Multum™ (updated Apr 19th, 2013), Wolters Kluwer™ (updated Apr 30th, 2013) and others. To view content sources and attributions, refer to our editorial policy.
Copyright © 2000-2013 Drugs.com. All rights reserved.
We comply with the HONcode standard for trustworthy health information.
Verify here