title: Rebuttal from Dr Rudski.
authors.affiliation: Division of Cardiology, Department of Medicine, Jewish General Hospital, McGill University, Montreal, QC, Canada. Electronic address: lrudski@jgh.McGill.ca.
authors.forename: Lawrence G
authors.initials: LG
authors.lastname: Rudski
mesh_terms: D015150:Echocardiography, Doppler; D006801:Humans; D006976:Hypertension, Pulmonary / Q000000981:diagnostic imaging*; D011651:Pulmonary Artery / Q000000981:diagnostic imaging*