Muhammad Irfan Malik, Khalid Waheed, Arslan Iqbal.
Orthopnea: This time it is not the Heart Failure; a Rare Case of bilateral diaphragmatic paralysis.
Pak J Chest Med Jan ;26(3):150-1.

Background: Diaphragmatic paralysis is a rare reason of pulmonary dysfunction that may lead to severe illness. It may cause shortness of breath, orthopnea, sleep apnea and respiratory failure. Bilateral diaphragmatic paralysis is a very uncommon cause of respiratory failure which always remain underdiagnosed.

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