The book Cardiac Surgery in the Adult Fifth Edition was written by author Lawrence Cohn And David Adams Here you can read free online of Cardiac Surgery in the Adult Fifth Edition book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Cardiac Surgery in the Adult Fifth Edition a good or bad book?
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The most commonly cited definition of PPM is a low-indexed effective orifice area (iEOA). The iEOA is calculated by divid- ing the echocardiographically determined EOA by the body GEOMETRIC ORIFICE AREA surface area. EOA is calculated by a reconfiguration of the continuity equation: The GOA (also known as the internal geometric area) of the valve is the ex vivo measured maximal cross-sectional area of EOA = (CSA × TVI )/TVI the valve opening that does not vary significantly between LVOT LVOT AO ...same-sized valves from the same manufacturer. It is a static EOA is effective orifice area (cm2). measure that is known preoperatively for any given prosthe- CSA is cross-sectional area of the LVOT (cm2). sis based on manufacturer specifications or by measurement LVOT TVI is velocity time integral of forward blood flow with calipers. The GOA is larger than the EOA for any given LVOT mebooksfree.com (cm) as derived from pulse-wav mebooksfree.com e Doppler in the LVOT. pr mebooksfree.com osthesis (Figure 28-21).