title: The authors reply.
authors: Duane J
authors: DJ
authors: Funk
authors: Eric
authors: E
authors: Jacobsohn
authors: Anand
authors: A
authors: Kumar
mesh_terms: D003326:Coronary Circulation / Q000502:physiology*; D016638:Critical Illness; D006334:Heart Function Tests; D006801:Humans; D011175:Positive-Pressure Respiration; D012769:Shock / Q000503:physiopathology*; D014680:Veins; D018497:Ventricular Dysfunction, Right / Q000503:physiopathology*