He had several heart attacks that he didn't know he had and had to have emergency triple bypass open heart surgery and they replaced the left atrial valve withe a prosthetic valve. He has an abdominal aortic valve that they will have to work on at a later date. My father has COPD and emphysema.
https://www.agingcare.com/articles/all-ways-to-pay-for-long-term-care-195529.htm
You caring for him is not the only solution.