Unilateral diaphragmatic paralysis, resulting from nerve or muscle injuries, is an uncommon phenomenon often missed due to its asymptomatic nature. This condition can lead to decreased pulmonary function, particularly in patients with underlying comorbidities or cardiopulmonary issues. Identification and understanding of the underlying cause of the paralysis are essential for effective management and improved patient outcomes. Here, we present a case of a 49-year-old male who presented with left flank pain and complained of dyspnea on exertion. Further workup and a sniff test confirmed the diagnosis of left hemidiaphragm paralysis.
Keywords: diaphragm dysfunction; diaphragm palsy; exertional dyspnea; left flank pain; sob - shortness of breath; unilateral diaphragmatic paralysis.
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