Since 2014 twenty clinical fellows in Cardiology from Georgia, Libya, Iraq, Pakistan, Cameroon, Turkmenistan, Azerbaijan, Syria studied at the department. Сlinical residents from foreign countries work at the departments of the Heart Institute, Ministry of Healthcare of Ukraine, actively participate in patient management, perform functional researches and coronary angiography. Joint seminars and clinical reviews for foreign clinical residents are held at the department weekly.

The international activity of the department also includes the regular participation at the international scientific forums as speakers and listeners. Also employees of the department participate at trainings in foreign clinics, participate in multicenter studies. Professor O. Zharinov is a member of the international scientific council of  the REALISE-AF survey on the treatment of atrial fibrillation. He has repeatedly reported the results of the conducted researches at the European and American congresses. In 2017 he held a lecture course on various aspects of cardiology and functional diagnosis for physicians in Kazakhstan, in 2019 – in Kyrgyzstan.