Pseudo tamponade soon after cardiac surgery: a report of three cases.
K Chan, T Ong, R Bellomo
Crit Care Resusc | Published : 2004
OBJECTIVE: To describe a syndrome suggestive of tamponade but secondary to increased intra-thoracic pressure due to undetected dyssynchronous expiratory efforts in mechanically ventilated patients soon after cardiac surgery. METHODS: A retrospective chart review of three patients immediately after cardiac surgery. RESULTS: All patients developed the tetrad of decreased blood pressure, increased central venous pressure, decreased cardiac index and decreased urine output soon after cardiac surgery without other obvious reasons. In all patients, tamponade was suspected. In all cases, physical examination found no marked evidence of patient-ventilator dyssynchrony but evidence of abdominal muscl..View full abstract