Nephrology is a branch of medicine dealing with the diagnosis and treatment of kidney diseases. Unlike the urology, nephrology is not surgical specialty. Patients usually visit nephrologist’s office due to:

• Disorders of urination (oliguria i.e. too small amount of urine, polyuria i.e. excesive amount of urine)
• Blood in the urine
• Edema
• Arterial hypertension (usually reported by another specialists for diagnosing so called renal hypertension)