During preventive examination a 16-year-old patient presented no problems. Objectively: the patient has signs of malnutrition, he is asthenic, AP is 110/70 mm Hg, Ps is 80 bpm, cardiac border is normal, auscultation above the cardiac apex reveals three sounds, cardiac murmur is absent. ECG shows no pathological changes, phonocardiogram shows that the third sound comes 0,15 s after the second one above the apex. How are these changes called?