Sildenafil is often branded as Revatio in PAH (as an alternative of Viagra for erectile dysfunction), though there's little distinction between Viagra and Revatio besides that patients sometimes take Revatio 3 times per day in smaller doses. There are a number of high quality randomized controlled trials which have demonstrated its efficacy to improve train capacity and symptom burden. Markers of exercise capability, measured by a six-minute stroll take a look at, have been also improved by nearly 50 meters. Jasmine Mah is an Inside Medication resident with Nova Scotia Health and receives scholarships supporting her PhD research from the Department of Medicine at Dalhousie College, Dalhousie Medical Analysis Foundation, Dr. Patrick Madore Foundation, and the Pierre Elliott Trudeau Basis. Dena Zeraatkar receives funding from the Banting postdoctoral scholarship. Tyler Pitre does not work for, consult, personal shares in or receive funding from any firm or organisation that would benefit from this text, and has disclosed no relevant affiliations past their tutorial appointment.