Presentation
Recurrent progressive dyspnea.
Patient Data
Age: 60 years
Gender: Female
From the case:
Normal sniff test
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Normal excursion of both hemidiaphragms was observed during quiet inspiration and expiration. During the sniff test, normal diaphragmatic relaxation was identified on both sides. No paradoxical diaphragmatic excursion was identified to suggest phrenic nerve palsy.