Certain conditions are known to trigger
sudden heart failure in people with already-weakened
heart muscles. If these conditions subside or are treated effectively, heart
function may be restored. Conditions that trigger sudden heart failure
Failure to properly take medicines for blood pressure, heart failure, or chest pain (angina).
This is one of the leading causes of sudden heart failure and one that could be
(emboli) in organs (other than the heart), especially the lungs. Blood clots
increase the pressure against which the heart must contract. Blood clots in the
lungs also decrease the amount of blood returning from the lungs to the left
side of the heart.
Inflammation of the pericardium, which is the
sac around the heart. This inflammation is called