1 CT. 2  A renal CT scan, both with and without IV contrast, is the next appropriate step. 3  It has replaced the renal arteriography as the next diagnostic step. 4  CT is as accurate as, and obviates the potential morbidity of, angiography in defining the renal mass. CT. 2  A renal CT scan, both with and without IV contrast, is the next appropriate step. 3  It has replaced the renal arteriography as the next diagnostic step. 4  CT is as accurate as, and obviates the potential morbidity of, angiography in defining the renal mass.
Side Effects. There are few common but not serious side effects that are possible. Some of them are convulsions, fainting, dizziness and nausea, while dizziness and feeling of sickness might befall the donors of plasma as well. Try drinking a lot of fluids before giving plasma in order to avoid these side effects.
Here's how to enlarge your veins and arteries for plasma donation: 1  Heat up your arm. When veins become overheated, they expand, and draw closer to the skin. 2  Hold off on drinking and smoking. Both smoking and drinking alcoholic beverages makes veins and arteries smaller and harder. 3  Hold off on the caffeine.