presyncope

presyncope

美 　英

• 網絡暈厥；暈厥前；暈厥前狀態

例句

Intracardiac tumors or ball-valve thrombi can intermittently obstruct blood flow within the heart, producing presyncope or syncope.

心內腫瘤或球狀樣瓣膜血栓可間歇性阻斷心內血流，引起暈厥先兆或暈厥。