11 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.
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
(Wallenberg's syndrome ... Syndrome usually ... signs or symptoms ... Vertigo #Causes #differential ... #diagnosis #neurology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... deficits (CN Ill, IV ... #signs #symptoms ... #clues #differential
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
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
symptom of something ... loss, cancer, HIV ... N Neurological signs ... confusion, focal signs ... Primary #Secondary #Comparison
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpesviruses (MCC: HSV ... Coltivirus Symptoms ... influenzae Symptoms ... Acute meningeal signs ... #diagnosis #neurology
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 ... disorders #diagnosis #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... (headache and diplopia ... Behcet disease) Differential ... diagnosis #management #signs ... #symptoms #rheumatology
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
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... • Progressive symptoms ... of headache, cognitive ... impairment, neurologic