True/False: An IVC filter is indicated for the prevention of pulmonary embolism in patients who have either a contraindication to anticoagulation or failure of anticoagulation.
True
True/False: Placement of an IVC filter prevents clot formation and progression.
False, an IVC filter prevents clots from traveling into the lungs. It does not help in preventing the progression and formation of new clots.
True/False: The most common locations of a DVT formation to then subsequently cause embolization to the lung includes the common iliac veins, femoral veins, and popliteal veins.
True
True/False: All IVC filters are only temporary retrievable devices.
False, in some instances where patients still have a high risk of clots traveling to the lung, while still having contraindications/failure to anticoagulation, may require permanent IVC filter placement. Thus not all retrievable IVC filters are temporary.
Günther Tulip IVC filter. Note that there are 4 struts. Image sourced from the manufacturer website (Cook Medical)