8 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... lyme • Altered mental ... deficits • Temporal artery ... ) • Systemic symptoms ... and signs (e.g.
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... Occlusion of posterior ... varying neurologic signs ... Vertigo #Causes #differential
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... Etiologies • Nonfocal mental ... poisoning • Mental ... #signs #symptoms ... #clues #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
(headache and diplopia ... Medium and large ... disease (SVC/IVC occlusion ... infarction, coronary artery ... Behcet disease) Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Coltivirus Symptoms ... 2 to 10 weeks after ... influenzae Symptoms ... Acute meningeal signs ... rigidity) • Altered mental
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... revealed only after ... Periventricular regions ... , altered mental ... CNS #Infections #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
reactions, and vaso-occlusive ... purpura: Strong sign ... 50 years • New headache ... primary condition MEDIUM ... Angiitis of the Central
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Superficial temporal artery ... gastrointestinal, and/or central ... reactions, and vaso-occlusive ... Presentation - Systemic Symptoms ... purpura: strong sign