Saint-Petersburg Medical Academy of Postgraduate Education, St.-Petersburg, Russia;
Yakutsk Science Centre of Complex Medical Problems of the Siberian Branch of the Russian Academy of Medical Science, Ya- kutsk, Russia;
Мedical Institute of the North-Eastern Federal University Named after M. K. Ammosov, Yakutsk, Russia;
Arterial; Hypertension; Coronary; Heart; Disease; Geriatric; Age; Non-Indigenous; and; Yakut; Patients; Electrocardiographic; Criteria; of; Left; Ventricle; Hypertrophy;