Five nephrologists of The Renal Clinic of Saint Petersburg State Pavlov Medical University: Zinaida Kochoyan, Vladimir Medved, Andrey Kamenchukov, Alina Lieva, Irina Mirazimova will make reports for patients who will be admitted to the Clinic from the 1st March 2023. The key issues to be discussed will relate to protein, phosphate and salt intake, nutrition in patients with metabolic acidosis, hyperkalemia, hypocalcemia. In addition, patients will be treated to measure blood pressure correctly.