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: Vitamin C is one of the biggest immune system boosters of all. In fact, a lack of vitamin C can even make you more prone to getting sick. Foods rich in vitamin C include oranges, grapefruits, tangerines, strawberries, bell peppers, spinach, kale and broccoli.
1 Carrots, Celery, Onion â These vegetables contain vitamin A, C and other antioxidants that have been known to help build a strong immune system and fight off viruses. They may help the body recover from illness more quickly.  Chicken â The star of the dish is packed with protein, which supports the immune system.