S2 in Eisenmenger's--it is PVR that matters.
Bhagwat
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Sharma
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D004541:Eisenmenger Complex / Q000175:diagnosis* / Q000503:physiopathology; D006347:Heart Sounds / Q000502:physiology*; D006801:Humans; D011651:Pulmonary Artery / Q000503:physiopathology; D014655:Vascular Resistance