1 Prophylaxis against dexamethasone associated ulceration: 0.031-1.25 mg/kg/hr during dexamethasone therapy to maintain gastric pH >4.  Prophylaxis against stress ulceration: 2 mg/kg q12hr or 1.5 mg/kg IV q8hr; alternativley, 2 mg/kg over 10 min, followed by continuous infusion of 0.083 mg/kg/hr.
The heart is a muscular pump that pushes blood through blood vessels around the body. Essential to life, the heart beats continuously, pumping the equivalent of more than 14,000 litres of blood every day. Blood vessels form the living system of tubes that carry blood both to and from the heart.
Your heart is a muscular organ that pumps blood to your body. Your heart is at the center of your circulatory system.This system consists of a network of blood vessels, such as arteries, veins, and capillaries. These blood vessels carry blood to and from all areas of your body.our heart is vital to your health and nearly everything that goes on in your body. Without the heart's pumping action, blood can't move throughout your body. Your blood carries the oxygen and nutrients that your organs need to work well.