Bad website advertising on SDN
So while I was on SDN today, I notice a banner ad at the top for setting up NCV in a doctor's office. After clicking on it, it confirmed my suspicions that this is a fly-by-night organization (although...
View ArticleUnilateral H-reflex
A patient complains of LLE numbness, no symptoms on the right. LLE NCS including peoneal and tibial motors and F-waves are normal. LLE sensories are normal. Needle exam is normal. If the left H-reflex...
View ArticleConfusing case - help??
45 y/o guy, healthy, referred by ortho b/c he cant lift his right arm. this has been going on for 5 years. right shoulder MRI is fine, neck MRI is fine. he also has mild parethesias that he complains...
View ArticleNeurophyisologic Classifications?
What are the various neurophysiologic classifications (NCS/Needle EMG) that people use for diagnosising these various conditions? 1) radial neuropathy 2) brachioplexopathy 3) axillary neuropathy 4)...
View ArticleHelp Me with Dennervation potentials..
Hi guys, I saw this pt last week and my attending doesn't seem to think that dennervation was taking place in two of his muscles. I was able to see the persistent regularity of the + sharp waves and...
View ArticleDeep Motor Branch Ulnar Neuropathy
We had an interesting case last week of a lady with a deep motor branch ulnar neuropathy from a pretty severe 5th metacarpal fx. Ulnar CMAP to the ADM was normal (didn't compare her other side though)...
View ArticlePlexus Stretch lesion?
Young gentlemen who fell out of a moving vehicle and hit his shoulder first and then his neck (ie., bringing both apart). Pt noticed tingling for a 24-48 hours after the accident. The weakness in the...
View ArticleLumbosacral L5-S1 plexopathy?
60 y/o male with complaint of unilateral left lower extremity burning pain x 2 years. Starts in his buttocks and the pain goes to his knee. Pt denies any trauma, falls, weakness or atrophy. The pain is...
View ArticleA case for the residents. (THIS IS A REAL CASE)
Chief Complaint: R buttocks pain and "sciatica" 44y/o native American male with history of ESRD (on dialysis) secondary to poorly controlled diabetes and R AKA. Referred by ortho for severe R buttocks...
View ArticleInnervation question
Maybe this is a dumb question... My references always list medial gastroc as S1, S2 innervated. An attending of mine considers it L5, S1, S2 and since I have seen it in some other references. This...
View ArticleRadic vs LTN palsy
49 yo male present to ortho with cc R shoulder pain. In the Hx, neck and R arm pain noted along with R hand tingling. Exam showed benign neck, neuro and shoulder exam except for scapular winging with...
View ArticleElectrical injuries
Saw a very interesting pt today. 21 year old turned on a shop vac at work in April 2010. Apparently someone had plugged the extension cord into a non-grounded 220V outlet (by altering the plug). The...
View ArticleEMG Case help
A guy in his late 50 to early 60's (protecting his ID) with c/o unstable gait for more than 15 years. Pt hasn't had falls. Takins statins but stopped them (not sure for how long was taking). Pt...
View ArticlePronator teres syndrome vs CTS + AIN
39 yo female with 1 year of left arm weakness and numbness, unknown etiology. Not worsening over time. Pain is elbow, forearm and palm, numbness is median nerve and forearm. Strength grossly normal...
View ArticleStatin myopathy and EMG changes
Can statin cause fibrillations/dennervation findings on EMG exam? If that is the case, how long after stopping the statin would the findings not be appreciated anymore? Thx!
View ArticleEMG notes
For what it's worth, I cam across this blog on the web http://emgnotes.blogspot.com/ Seems pretty good. Not sure who started it, but I look forward to reading through it.
View ArticleEMG equipment
What is the best value in EMG equipment? Any vendors to avoid. You may PM me. Thanks
View ArticlePost op nerve injury
Got a call from an anesthesiologist last evening asking me to see someone urgently. Luckily I was still in the hospital. (residents/med students, this is what you build your reputation for, and why you...
View ArticleQotw
I want to get a "Question of the Week" series going, just for fun. I think this could be a good learning opportunity for residents and/or those who are newer to EDx. Attendings can answer, but it'll be...
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