Successful thrombolytic therapy for stuck mitral mechanical valve.

Thrombosis of a mechanical prosthetic valve is a serious and fortunately it is a rare complication of cardiac valve replacement. We present a case of prosthetic mechanical valve On-X 31/33 mm thrombosis thrombus size 8 x 14 mm on a mitral position, which was treated with a successful intravenous thrombolytic therapy of streptokinase infusion over 10 hours repeated twice with no complications.