The shock index (SI) is simply calculated as heart rate (HR;beats per minute) divided by systolic blood pressure (SBP;mmHg), and it is a sensitive indicator of left ventricular dysfunction.是什么意思_The shock index (SI) is simply calculated as heart rate (HR;beats per minute) divided by systolic blood pressure (SBP;mmHg), and it is a sensitive indicator of left ventricular dysfunction.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句