11 results
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Photophobia and Headache ... - Differential ... meningeal irritation signs ... the trigeminal nerve ... #differential #
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Femoral Cutaneous Nerve ... purely sensory nerve ... MeralgiaParesthetica #MSK #pathophysiology ... #differential # ... diagnosis #signs
Enlarged optic nerve sheath diameter and crescent sign in 30 yo female patient reporting 3 months
Enlarged optic nerve ... diameter and crescent sign ... reporting 3 months of headaches ... Hypertension #Ocular #POCUS ... Ultrasound #crescent #sign
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... With Different Headache ... pupil with third nerve ... #signs #symptoms ... #clues #differential
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
Signs / Symptoms ... pituitary hormones • Headaches ... • Post-nasal drip ... mnemonic #GLFTAP #pathophysiology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
bone): facial nerve ... dizziness, vertigo, nystagmus ... #Mastoiditis #pathophysiology ... #signs #symptoms
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Collapse: • Pathophysiology ... → Syncope • Signs ... sensations - Headache ... Disorientation, Headache
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... of UMN and LMN signs ... of UMN and LMN signs ... both UMN and LMN signs ... EMG: LMN Signs in
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... 50 years • New headache ... muscle weakness • Nerves ... Progressive symptoms of headache
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... • Bilateral signs ... brain and/or optic nerve ... management #neurology #differential