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Figure 3 (A) Pressure changes occurred in 9 of 12 events 4 ± 2 days before hospitalization (major). (B) Pressure changes before minor exacerbations (n = 24) that did not require hospitalization. Percent changes in right ventricular systolic pressure (black circles), estimated pulmonary artery diastolic pressure (green diamonds), and heart rate (red triangles).
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