Expiratory increase in the LV outflow obstruction in IHSS.
D002302:Cardiac Output; D009202:Cardiomyopathies / Q000175:diagnosis; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis*; D004417:Dyspnea / Q000175:diagnosis; D004452:Echocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D008875:Middle Aged; D008945:Mitral Valve Prolapse / Q000175:diagnosis; D012119:Respiration; D013318:Stroke Volume; D014636:Valsalva Maneuver