title: 'Paradoxical reaction' on the electrocardiogram during physical loading.
mesh_terms: D003326:Coronary Circulation; D003327:Coronary Disease / Q000175:diagnosis; D004562:Electrocardiography; D005080:Exercise Test; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D006973:Hypertension / Q000175:diagnosis