what exactly is an aortic plug? Specifically a Grade 3 Plug?
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replied November 17th, 2008
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An aortic plug is a specially designed plastic plug designed to secure the aorta to allow perfusion of the coronary circulation. The plug consists of an 8-cm-long central tube attached to a solid plug.

During the procedure when an aortic plug is inserted and attached to the heart, perfusate first flows through four holes at the base of the plug. The aortic plug is sutured (sewn into) in the aortic alve annulus, and the holes are positioned at the level of the coronary ostia. The plug contains a lead bead in the center to be used as a basal radiographic reference marker. Insertion of an aortic plug is usually performed within 5 minutes to allow for initial perfusion.

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