The Pain Source

By Chris Faubel, MD -- In randomized clinical trials (RCTs), most patients with painful diabetic peripheral neuropathy and postherpetic neuralgia fail to obtain a significant decrease in pain with any one medication, and most continue to have moderate pain despite polypharmacy.

By Chris Faubel, MD -- Using fluoroscopically-guided hip injection of local anesthetics as the gold standard, the combination of FABER test and Stinchfield maneuver had the most sensitivity (96%) and the highest negative predictive value (75%).

By Chris Faubel, MD -- What is the therapeutic effectiveness of lumbar facet joint nerve blocks in managing chronic low back pain of facetogenic origin?

By Chris Faubel, MD -- Learn how to block the ganglion impar to treat coccydynia. Also, listed are the various CPT codes used to bill for this.

By Chris Faubel, MD -- Short video of a right L4 transforaminal epidural steroid injection. Note the spread of contrast both proximally and distally along the L4 nerve root. Special thanks to Dr. Hazem Eissa for providing this fluoroscopic video clip.

By Chris Faubel, MD -- Learn the anterior interosseous nerve, the muscles it innervates, and the clinical significance.

By Chris Faubel, MD -- EMG case of a high femoral neuropathy, with background anatomy and clinical pearls.

By Chris Faubel, MD -- Learn the significance of the combined sensory index in the diagnosis of carpal tunnel syndrome.

By Chris Faubel, MD -- Recording from the first dorsal interosseous (FDI) muscle will result in a higher false positive rate. Use only if clinical suspicion for ulnar neuropathy across the elbow is high, yet recording over the abductor digiti minimi (ADM) is normal.