heart failure

“To Absent Friends” draws its title from a favorite Welty toast, a gesture that surely acquired special poignancy after Lyell died of congestive heart failure.

As a result, the remaining muscle must work harder over time, which can contribute to heart failure.

The research team enrolled 523 people diagnosed with arrhythmias, some of whom also had heart failure.

"Mitochondrial problems show up in so many diseases -- heart failure, diabetes, fatty liver disease," Summers says.

A fit and healthy young man, he had ambitions of joining the Royal Marines but he suffered acute heart failure in 2019.