M.YU. SMETANIN1, E.N. LOGINOVA2  1Republican Clinical and Diagnostic Center, Izhevsk 2Omsk State Medical University, Omsk   Contact details: Smetanin M.Yu. — PhD (medicine), ultrasound diagnostics doctor of the highest qualification category Address: 87 Lenin St., Izhevsk, Russian Federation, 426009, tel.: +7 (3412) 37-49-58, e-mail: mail@msmetanin.ru Cardiac syndromes occupy a special place among the manifestations of undifferentiated […]