常見例句Results After pneumomediastinum(PM),as compared with the baseline measurements,the venacaval pressure raised and the cardiac output decreased significantly. 觀察治療前後的血流動力學(xué)和血?dú)庾兓＝Y(jié)果縱隔氣腫使上、下腔靜脈壓陞高,廻心血量減少,心排量下降。venacaval clamp 腔靜脈夾 返回 venacaval