High troponin levels usually indicate heart muscle damage, pulmonary hypertension, myocarditis, cardiomyopathy or congestive heart failure, according to the University of Maryland Medical Center. Additionally, medical procedures such as electrical cardioversion, and long-lasting illnesses such as kidney disease and heart disease, can cause high levels of troponin in the blood. Can you heal a damaged … More Heart Muscle Damage from Cabin Air Fume Events with Bleed Air Leaks: