Postoperative hemodynamic instability after pericardial window portends a grave prognosis. Evidence of tamponade, larger effusion volumes, and positive cytologic findings may predict a higher risk of paradoxical hemodynamic instability and anticipate a need for invasive monitoring and intensive care postoperatively.

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We postulated that the Brugada ECG abnormalities were induced primarily by an increase in parasympathetic tone resulting from vagal nerve manipulation during deep neck dissection and partially by the fever he developed during the postoperative period. In addition to the more common causes of ST-segment elevation, the Brugada ECG pattern or syndrome should be considered in patients undergoing deep neck dissection who develop characteristic ECG changes in association with normal cardiac enzymes and echocardiogram.

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