Pericardial window and relief of tamponade. A few points: litres can accumulate slowly but 200cc can cause tamponade acutely. A window is a simple operation but potentially very dangerous as you are operating in a hole. Dr. Bobby Yanagawa @BobbyYanagawa #Pericardial #window #tamponade #thoracic #cts #clinical #intraoperative #surgery #video