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Cardiac function determined by echocardiogram

 

作者: CLAYTON SHORS,  

 

期刊: Critical Care Medicine  (OVID Available online 1975)
卷期: Volume 3, issue 1  

页码: 5-7

 

ISSN:0090-3493

 

年代: 1975

 

出版商: OVID

 

数据来源: OVID

 

摘要:

Echocardiographic analysis with a strip recorder gives an accurate assessment of cardiac function, easily obtainable at the bedside of the critically ill. Ejection fraction and velocity of circumferential fiber shortening (Vcf) are the two most accurate measurements of cardiac function. The diameter of the minor axis of the left ventricle is measured in systole (Ds) and diastole (DD). Systolic volume is (Ds)3, disastolic volume is (DD)3, ejection fraction is (DD)3-(DS)3divided by (DD)3, Vcf is DD-DS divided by DD×LVET.

 

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