Teachable Moment: Inclusion Body Myositis-Video File

Video Transcription

Video Summary

This video discusses a case of a 60-year-old man with progressive weakness in his left knee and hand, along with occasional choking on solids. Physical examination revealed atrophy and weakness in various muscles, with abnormal findings in nerve conduction studies and needle EMG. The final diagnosis was chronic myopathy, possibly inclusion body myositis. Ultrasound can aid in identifying muscle changes, while needle EMG requires careful evaluation for slow firing fibrillation potentials in chronic myopathies. Inclusion body myositis typically presents with slowly progressive, asymmetric weakness. The video emphasizes the importance of thorough evaluation in diagnosing muscle diseases and the challenges in interpreting EMG findings.

Keywords

progressive weakness

chronic myopathy

inclusion body myositis

nerve conduction studies

needle EMG

ncs