The heart sounds are muffled when the pericardial sac is distended with fluid. 當心包充滿(mǎn)液體時(shí)心音減弱。
An esophagogram revealed an esophagopericardial fistula connected between the lower esophagus and the pericardial sac. 爾后食道顯影檢查也確立一食道心包膜瘺管位于食道及心包膜腔之問(wèn)。
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