My Father Age 61. Juvinle Diabetic. Hypertensive. Smoker, Has 4

My father age 61. Juvinle diabetic. Hypertensive. Smoker, has 4 pegs of vodka with diet pepsi, had a on 30th silent heart stroke, 1 stoke was 2004. 2 stents were inserted then which are working fine He walks 4 hours a day, has ancillary arteries. On 28th Dec his saw tarry stools, viral infection. His hemoglobin was 6% he underwent angioplasty on 5th Jan.2 stents were inserted. Now he has shortness of breath, pneumonia, and lasexs is given as he did not urinate. His platelet count is 490000. But his heart is not pumping properly. What are his chances of survival. Please reply