Paul Goldrick, the famous and much loved intensivist from Darwin, gives an excellent summary of prone ventilation and pulmonary vasodilators. This was recorded at the 2011 Bedside Criticsal Care conference. The slides to go with this presentation are available here: https://docs.google.com/open?id=0B9vT1_AbNNQSVGRneWZFRDZ4Z3c