[CHANGES IN THE POSITION OF THE ELECTRIC AXIS OF THE HEART FOLLOWING DELIVERY IN MITRAL VALVE DEFECT].
D004562:Electrocardiography; D005260:Female; D006321:Heart; D006801:Humans; D008943:Mitral Valve; D008944:Mitral Valve Insufficiency; D008946:Mitral Valve Stenosis; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular; D011644:Puerperal Disorders
ELECTROCARDIOGRAPHY; MITRAL VALVE INSUFFICIENCY; MITRAL VALVE STENOSIS; PREGNANCY; PREGNANCY COMPLICATIONS, CARDIOVASCULAR; PUERPERAL DISORDERS
IZMENENIIA POLOZHENIIA 'ELEKTRICHESKO I OSI SERDTSA POSLE RODOV PRI MITRAL'NOM POROKE SERDTSA.