Hi Welcome to HCM I have gone thru your query ,can understand your concern about your dad s sufferings . T Flexion is ideal for fixed or controlled range of motion in the treatment of ligamentous injuries and stable fractures ,is akind of support to improve the quality of life of sufferer . The heart is the motor that keeps the blood in motion throughout all the blood vessels in the body. In order, for the heart muscle to pump properly, it needs to be nourished by coronary blood vessels. Any disease or blockage of the coronary arteries can deprive the heart muscle with the necessary oxygen and blood it needs for proper function. ONLY MAINTAINING GOOD HEALTH CAN HEALTHY HEART . The major risks factors for a heart weakness are diabetes, lack of exercise, high blood pressure, sedentary lifestyle, old age, hypercholesterolemia, obesity, smoking, a high-sodium diet, and genetic predisposition. For health of our heart we take care to Eat a well-balanced, high-fiber diet based on whole grains, legumes, fruits, and vegetables. include antioxidants - ginger ,garlic, fish ,almonds , lemon juice with water , turmeric with a cup of hot milk and a tea spoon of almond oil at bed time , Avoid milk, butter, margarine, vegetable shortening, cheese, red meat, and chicken skin. They cause blood clogging.Avoid foods high in trans fatty acids and saturated fats.refined foods. fast foods , Smoking ,Alcohol ,stress and constipation Do deep breathing -- Inhale -Hold - Exhale - Hold gently 20 times / relax/ repeat every hour . Any gental exercise he can do let him do . Give him homeopathic Cratagus Q 5-10 drops in haf cup of water for strength of heart . Hope this helps solve your query Take care .All the best Don t hesitate to get back fo further query .