Total Anomalous Pulmonary Venous Drainage [TAPVD]
A defect in which the pulmonary (lung) veins are connected to veins from the body (i.e. the SVC or IVC) or to the right atrium, instead of returning to the left atrium).
Cardiac
Thrombus
A blood clot.
Thrombolysis
The breaking up of a blood clot.