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1·Paradoxical pulse and pericardial knock etc were present in only part of the cases.

奇脉、心包叩击音等只见部分病例。

2·Cardiac tamponade is suggested by jugular venous distention, muffled heart sounds, and a paradoxical pulse.

颈静脉怒张、心音低沉、及奇脉提示心包填塞。