Hemodynamic assessment of pulmonary hypertension

Table 2 Recommendations for right heart catheterization[1]

Statement	Class of re-commendation	Level of evidence
RHC is indicated in all patients with pulmonary arterial hypertension to confirm the diagnosis, to evaluate the severity and when PAH specific drug is considered	I	C
RHC should be performed for confirmation of efficacy of pulmonary arterial hypertension specific drug therapy	IIa	C
RHC should be performed for confirmation of clinical deterioration and as baseline for the evaluation of the effect of treatment escalation and/or combination therapy	IIa	C

RHC: Right heart catheterization.