9 results
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... Straight Leg Raise Test ... ligament (near anterior ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Sacroiliac Distraction Test

The examiner applies downward and lateral pressure to the bilateral ASIS , the effect
distraction force to the anterior ... reproduces pain symptoms ... indicating SI Joint injury ... #physicalexam #hip ... #msk #sports #orthopedics
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
visceral organ or nerve ... root Symptoms ... e.g., congenital hip ... #Joint #Pain #MSK ... approach #workup #differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... spine L1-L5 Symptoms ... cord infarct • HIV ... • Provocative Tests ... absent anal wink test
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
cross-reacts with peripheral ... or the axon of peripheral ... than one after symptom ... sensitive tests ... Syndrome #diagnosis #management
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... , nerves, and vessels ... trauma • Chemical injury ... Questions to Ask ... Unilateral or bilateral symptoms
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... /or symptoms • ... negative, MOG-IgG test ... /or optic nerve ... #neurology #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... peripheral nerves ... Presentation - Systemic Symptoms ... retinopathy Lab Tests ... Cryoglobulins • HIV
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
quantify renal injury ... anti-GBM) Other tests ... or serologies + symptoms ... sparing of the lung periphery ... #diagnosis #management