Pulmonary hypertension other diagnostic studies

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Pulmonary Hypertension Microchapters


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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Assistant Editor(s)-in-Chief: Ralph Matar; Rim Halaby


Pulmonary hypertension is a diagnosis of exclusion; therefore, several diagnostic studies might be done to exclude other diseases or to determine any underlying medical condition causing pulmonary hypertension. These studies include pulmonary function tests, overnight oximetry, and ventilation-perfusion studies.

Other Diagnostic Studies

  • The other diagnostic studies are as follows:[1][2]
    • Pulmonary function tests
      • The aim of pulmonary function tests is to detect any obstructive or restrictive patten of an underlying lung disease that might be causing the pulmonary hypertension.
    • Overnight oximetry
      • Overnights oximetry might be used in some patients with pulmonary hypertension in order to assess the necessity of oxygen therapy during sleep time.
    • Ventilation-perfusion studies
      • Ventilation-perfusion studies are done to rule out any thromboembolic diseases in the lungs.


  1. Presberg KW, Dincer HE (2003). "Pathophysiology of pulmonary hypertension due to lung disease". Curr Opin Pulm Med. 9 (2): 131–8. PMID 12574693.
  2. Minai OA, Pandya CM, Golish JA, Avecillas JF, McCarthy K, Marlow S; et al. (2007). "Predictors of nocturnal oxygen desaturation in pulmonary arterial hypertension". Chest. 131 (1): 109–17. doi:10.1378/chest.06-1378. PMID 17218563.