19 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... history of cancer, HIV ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g.
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Examination: • UMN signs ... Clonus, Babinski’s sign ... • Lhermitte’s sign ... pupillary defect SIGNS ... Signs and symptoms
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
made, rule out: focal ... MeralgiaParesthetica #MSK ... pathophysiology #differential ... #diagnosis #signs ... #symptoms
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... status changes with focal ... deficits (CN Ill, IV ... #signs #symptoms ... #clues #differential
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
(Wallenberg's syndrome ... 24% always had headache ... Syndrome usually ... varying neurologic signs ... Vertigo #Causes #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
inflamed response to local ... (headache and diplopia ... Behcet disease) Differential ... diagnosis #management #signs ... #symptoms #rheumatology
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
with the same symptoms ... vasoconstriction syndrome ... with or without focal ... #redflags #signs ... #symptoms #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... of a "flu-like syndrome ... Constitutional symptoms
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... and signs below ... , HIV, CMV, HTLV ... MCTD, Sjogren syndrome ... diagnosis #neurology #differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... , Loose anagen syndrome ... Examination: • Signs ... or erythema and local ... Dermatitis (Consider HIV