This was the explanation given a long time ago. Her family was supposedly aware of her problem with bulimia.
Now, have you seen any medical documents proving that she had a major potassium imbalance? Did they even check to see if that was the case? Which doctor, if there were such tests, was it that did the test? One of Michael's?
How many 26 year olds with bulimia have major heart attacks?
A lot; it's the primary cause of death among the group with bulimia.
But, as all objective people here have observed, your crowd will never let the facts get in their way.