S2

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S2

Symbol for second heart sound.

S2

the second heart sound in the cardiac cycle. It is associated with closure of the aortic and pulmonic valves at the outset of ventricular diastole. The second sound is louder and shorter than the first. The sound of the aortic valve is loudest on the right sternal border, and that of the pulmonic valve is most distinct on the left sternal border over the second intercostal space.

S2

Cardiology The 2nd heart sound, which corresponds to the closure of semilunar–pulmonary and aortic valves, which is a short, higher pitched “dubb”.

S2

Abbreviation for second heart sound.
References in periodicals archive ?
an innovative medical device company focused on the development of minimally invasive technologies for tissue and tumor ablation along with vacuum technologies for erectile dysfunction, today announced that the United States Securities and Exchange Commission (SEC) has declared effective Endocare's Form S-2 registration statement related to its March 11, 2005 sale of $15.
Form S-2 applies to securities to be offered to a middle range of public companies.
Additionally, the Company has filed post-effective amendments to all of its outstanding Registration Statements on Form S-2, S-3 and S-8 (collectively, the Registration Statements) to deregister all shares thereunder.
12 /PRNewswire-FirstCall/ -- Crescent Financial Corporation , the holding company for Crescent State Bank, today announced that it has filed a registration statement on Form S-2 with the Securities and Exchange Commission relating to a proposed underwritten public offering of 765,000 shares of common stock.
In addition, NaviSite has filed a request with the Securities and Exchange Commission to withdraw its registration statement on Form S-2 relating to the proposed public offering of NaviSite's common stock.
The shares were registered under a Form S-2 registration statement filed on Dec.
The shares of Class A common stock were registered under a previously filed Form S-2 registration statement filed with the Securities and Exchange Commission on March 5, 2004.
BULLETIN BOARD: SPCO) announced today that it has filed a registration statement on Form S-2 with the SEC, registering 12,007,782 shares of its common stock for resale by named selling shareholders.
The shares were registered under a previously filed Form S-2 registration statement.
The forward-looking statements herein are qualified in their entirety by the risk factors set forth in PSI's filings with the Securities and Exchange Commission, including the factors listed in its Registration Statement on Form S-2 filed on November 3, 2003, under the caption "Risk Factors.
today announced the filing of a Form S-2 registration statement with the Securities and Exchange Commission in connection with the proposed issuing of up to $13 million in preferred stock in the company.