Did the coroner actually say it was a heart issue? I read simply that the heart issue may have contributed. Which I understood as, he may have been asfixiated a

Did the coroner actually say it was a heart issue? I read simply that the heart issue may have contributed. Which I understood as, he may have been asfixiated a bit quicker due to the heart issue. Which doesn't actually change anything as far as the murder goes, but that was what I understood them to mean.