A pathologist later ruled she had suffered acute myocardial necrosis - the death of heart cells - but was unable to establish the cause.

Source: https://www.kentonline.co.uk/thanet/news/family-s-anger-after-girl-6-died-two-days-after-being-sent-291633/

As a leader in muscle biology and the mechanics of muscle performance, the company is developing small molecule drug candidates specifically engineered to impact myocardial muscle function and contractility.

Source: https://forextv.com/top-news/cytokinetics-announces-positive-results-from-sequoia-hcm-the-pivotal-phase-3-clinical-trial-of-aficamten-in-patients-with-obstructive-hypertrophic-cardiomyopathy/

“However, I was more focused on your unexpected reaction to the paper football then what was transpiring in the hall; because I thought you were going to have a myocardial infraction.”

Source: https://www.clintonnc.com/opinion/92527/taking-the-college-entrance-exam

The operation on Mr Jackson’s femur, which was required to save his life, led to a great loss of blood and consequently myocardial ischemia which resulted in organ failure and ultimately his death, the court was told.

Source: https://www.nwemail.co.uk/news/23337120.kendal-man-died-colliding-car-crossing-a590---inquest/?ref=rss