13 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... vomiting, auditory symptoms ... unidirectonal nystagmus ... /signs, bidirectional ... nystagmus - Infection
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Femoral Cutaneous Nerve ... purely sensory nerve ... pathophysiology #differential ... #diagnosis #signs ... #symptoms
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... pupil with third nerve ... post-traumatic headache), IIH ... #symptoms #clues ... #differential #
Enlarged optic nerve sheath diameter and crescent sign in 30 yo female patient reporting 3 months
Enlarged optic nerve ... diameter and crescent sign ... #Papilledema #IIH ... Hypertension #Ocular #POCUS ... Ultrasound #crescent #sign
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
spinal cord and nerve ... previous neurologic symptoms ... possible neurological symptoms ... CN dysfunction: II ... Tuberculosis #diagnosis #differential
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
bone): facial nerve ... dizziness, vertigo, nystagmus ... pathophysiology #signs ... #symptoms #diagnosis
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
- May involve symptoms ... neuropsychiatric symptoms ... Abdominal cutaneous nerve ... Positive Carnett's sign ... Abdominal #Pain #differential
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... - Autonomic symptoms ... meningeal irritation signs ... the trigeminal nerve ... Photophobia #Headache #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... and peripheral nerves ... Presentation - Systemic Symptoms ... purpura: strong sign ... Nerves -> mononeuritis
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of UMN and LMN signs ... fasciculations Common Symptoms ... EMG: LMN Signs in ... conditions listed in differential ... activity between nerve