This concise pocketbook provides an easily accessible resource on pulmonary arterial hypertension (PAH) for medical professionals (senior and trainees), nurses and allied disciplines. PAH is not any longer an orphan disease, nor is it associated with a grave prognosis and premature death (as it used to be the case a decade or two ago). Patients with PAH should enjoy improved survival and quality of life, provided that an early -and not late- diagnosis...