title: I have had atrial fibrillation for six years and was recently diagnosed with pulmonary arterial hypertension (PAH). I was taken off warfarin (Coumadin) and was put on tadalafil (Adcirca). What can you tell me about PAH and will I be on Adcirca for a long time?
mesh_terms: D000959:Antihypertensive Agents / Q000008:administration & dosage*; D001794:Blood Pressure / Q000187:drug effects; D002243:Carbolines / Q000008:administration & dosage*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D000068581:Tadalafil; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D000959:Antihypertensive Agents; D002243:Carbolines; D014665:Vasodilator Agents; D000068581:Tadalafil