The septic shock had left her with heart and respiratory failure as well as dry gangrene of her foot, which would have to be amputated.

NEWYORKER: Letting Go

Dronedarone should not be used in patients with permanent AF, heart failure, or left ventricular systolic dysfunction.

FORBES: Dronedarone (Multaq) Gets Another Drubbing in Europe

These left-ventricular leads are intended to improve the efficiency of the heart in patients with heart failure, but are not responsible for delivering immediate life-sustaining pacing or life-saving defibrillation therapy.

FORBES: St Jude Withdraws Older LV CRT Leads From Market

If left untreated, kidney damage can worsen and turn into kidney failure, which can have serious affects on the heart, brain, and bones.

CNN: Diabetes drug Byetta tied to kidney problems, says FDA