Yes it was. Stroke > pneunmonia > heart attack.

Interesting thing I learned in my career, if the ME doesn't want to cause trouble they can always check "cardiac arrest" as COD. (Not saying that's what happened with Capone.)

Everyone dies of cardiac arrest, ultimately. I remember going through some old death certificates and there was a specific note on it: "DO NOT CHECK CARDIAC ARREST IF OTHER CAUSE DETERMINABLE." etc. Something like that.

Well, I knew, from other circumstances, this person had died of something other than cardiac arrest, but there it was, checked: "Cardiac arrest."

He was indigent, had died of something sordid, and they probably just did not want to deal with it, embarrass his family etc.