Dr. Tooba Ali (Rheumatology Fellow, Queen's University) takes us through the approach to a patient with suspected pulmonary renal syndrome and the initial treatment. Stay tuned for five take home points to remember when treating a patient with Pulmonary Renal Syndrome as well as some of the latest evidence around ANCA-associated vasculitis.As always, we post an associated infographic at www.theinternatwork.comGuest Fellow: Dr. Tooba Ali (Rheumatology Fellow, Queen's University)Faculty reviewer: Dr. Christian Pagnoux (Rheumatologist, University of Toronto)