S2

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S2

Symbol for second heart sound.
Farlex Partner Medical Dictionary © Farlex 2012

S2

Cardiology The 2nd heart sound, which corresponds to the closure of semilunar–pulmonary and aortic valves, which is a short, higher pitched “dubb”.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

S2

Abbreviation for second heart sound.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Form S-2. For registrants that have been filing timely periodic reports for at least 36 months and meet the tests as creditworthy.
For registration by entities fulfilling the requirements under Form S-2 and, in addition, meeting a stock float test by having an aggregate market value of voting stock held by non-affiliates of more than $75 million.
With regard to Form S-2, data may be shown in the prospectus or annual report.