TOPICS: ACE inhibitors, ramipril, enalapril, captopril, lisinopril, afferent arteriole normal, efferent arteriole dilated, decreased gfr, increase serum creatinine, increase renin, high bradykinin, hypertension, prevent undesirable heart remodeling, decrease mortality, diabetic nephropathy with proteinuria, cough, angioedema, hypotension, teratogenic renal malformation, hyperkalemia, bilateral renal artery stenosis