My husband died while I was out of the country. He had a history of high blood pressure, smoked 4 to 5 cigarettes a day and was a moderate to heavy drinker. There was a substantial amount of foam at the mouth. He was also medically underweight. He also had worked hard manual labor a good part of his life He is from and died in a 3rd world country where there are superstitions and rumors so there is much talk it was drugs or poisoning. He had for a few months prior to dying been suffering extreme fatigue and extreme headaches which he felt were related to blood pressure. Could the foam be related or likely with a massive heart attack? Was he likely to have been in pain for a prolonged time? Thanks