Voilliot, Damien Right heart/pulmonary circulation unit assessment during exercise, a need for a global view of the loop. [electronic resource] - International journal of cardiology Jan 2016 - 1147-8 p. digital Publication Type: Letter; Comment ISSN: 1874-1754 Standard No.: 10.1016/j.ijcard.2015.10.047 doi Subjects--Topical Terms: Echocardiography, Doppler, Color--methodsEchocardiography, Stress--methodsErgotamine--adverse effectsFemaleHumansMitral Valve Insufficiency--chemically inducedVentricular Function, Left--physiology