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. 2016 Jan 13;149(5):1313–1324. doi: 10.1016/j.chest.2015.11.016

Figure 1.

Figure 1

Diagnostic algorithm for the evaluation of patients with sickle cell disease and suspected of having pulmonary hypertension. 6MWD = 6-minute walk distance; ANA = anti-nuclear antibody; CXR = chest X-ray; LFTs = liver function tests; mPAP = mean pulmonary arterial pressure; NT-pro-BNP = N-terminal pro-brain natriuretic peptide; PAH = pulmonary arterial hypertension; PCWP = pulmonary capillary wedge pressure; PH = pulmonary hypertension; PVH = pulmonary venous hypertension; PVR = pulmonary vascular resistance; SCD = sickle cell disease; TRV = tricuspid regurgitant jet velocity.