Got a copy of it handy?
BTW, we’ve lost a number of family to various forms of dementia.
Neither cardiac arrest or dementia was listed as the immediate cause of death.
And we’ve never had cardiac arrest listed as immediate on any DC.
And, sadly, over the decades I’ve seen quite a few.
I’m sure it varies from state to state..................
My wife had Alzheimer’s and died two years ago.
The cause was listed as heart failure. I think she was dehydrated to the point that her blood thickened so that her heart couldn’t pump enough to run her heart. It sucked.