A LVAD patient experiences sudden device alarm with loss of continuous flow; device replacement is needed. Which complication?

• A. Stroke
• B. RH failure
• C. Depression
• D. Device failure/death

Answer: (D)

When an LVAD patient has a sudden device alarm and loss of continuous flow, the most likely issue is the pump itself malfunctioning. The LVAD is designed to provide steady, continuous blood flow, so an alarm paired with an abrupt stop or drop in flow points directly to pump failure or a catastrophic device problem. This situation is an emergent scenario because without the pump delivering flow, end-organ perfusion deteriorates quickly, and the patient may need the device exchanged or replaced to restore circulation.

Stroke and right heart failure are important complications that can occur with LVADs, but they don’t explain an immediate loss of flow caused by the device stopping. Depression is not related to the mechanical function of the device. In this setting, the emphasis is on the device malfunction and the urgent need for replacement to reestablish circulatory support.