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Lessons from the Lab: Episode7: EMG Discussion wit ...
Episode 7
Episode 7
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Video Transcription
Video Summary
In this episode of Lessons from the Lab, host Devin Rubin, a neurologist at Mayo Clinic in Jacksonville, Florida, interviews guest expert Professor Erik Stahlberg from Uppsala, Sweden. They discuss a patient case involving vision difficulty and ptosis, and explore the use of single fiber electromyography (EMG) and repetitive nerve stimulation (RepStim) in diagnosing ocular myasthenia gravis. Stahlberg emphasizes the importance of using a test that can confirm or exclude a certain diagnosis and shares his preference for starting with single fiber EMG. He also discusses the challenges and techniques involved in performing single fiber EMG, including tips for collecting reliable pairs and the significance of amplitude and jitter measurements. They also touch on the value of RepStim and its limitations compared to single fiber EMG in diagnosing myasthenia gravis. Overall, the episode highlights the role of single fiber EMG in the diagnosis of myasthenia gravis and the importance of ensuring technical reliability in electromyography testing.
Keywords
Lessons from the Lab
Devin Rubin
neurologist
EMG
ocular myasthenia gravis
diagnosis
single fiber
repetitive nerve stimulation
technical reliability
electromyography
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