1 Evaluate heart muscle function. 2  Determine the need for further treatment (such as an interventional procedure or bypass surgery). 3  At many hospitals, several interventional, or therapeutic, procedures to open blocked arteries are performed after the diagnostic part of the cardiac catheterization is complete.
Hereâs what she had to say: 1  Vitamin C is one of the biggest immune system boosters of all. 2  Vitamin B6 is vital to supporting biochemical reactions in the immune system.  Vitamin E is a powerful antioxidant that helps the body fight off infection.
âThese are foods that can boost immunity and, in some cases, even fight infection.â She recommends the following 10 foods, which contain nutrients that help keep your immune system healthy and ready to fend off illness. 1  Red or Pink Grapefruit Grapefruit is packed with vitamin C, making it an immune-boosting essential.