Bypass surgery for Froilan Munoz

My father was diagnosticated with severe atherosclerosis, he had a stroke recently and he survived,  but the doctor says he need a bypass surgery as unique solution for his illness. He can died in any moment if the surgery is not perfomed in the short time. The problem is the surgery is extremely expensive and the family not have the ressources to cover the surgery. My father live in Venezuela a country in sanitary crisis , where the public hospitals doesnt have any supplies to perform the surgery so we need to do it in the private facilities. We will grateful for any help we could receive.