Heart disease and renal failure occurring together, constitute a potential threat to life, especially in the elderly. Diseases of the cardiovascular system are the main factor in morbidity and mortality in patients with chronic kidney disease. On the other hand, chronic kidney disease is considered a risk factor for cardiovascular diseases. Identified major nephrological problems, especially chronic renal disease and acute kidney damage, as the most aggravating cardiac patients. Stressed the importance of clinical, preventive measures and prognosis in contrast nephropathy