10 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Meningeal signs ... Systemic symptoms and signs ... lesion • CNS infection ... (e.g., meningitis ... #Algorithm #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... : • Headache and ... Acute meningeal signs ... rav7ks #CNS #Infections ... #neurology #meningitis
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Bone Fracture Central ... symptoms/signs, ... nystagmus - Infection ... • Meningitis
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
aneurysm) • Infection ... (e.g., meningitis ... N Neurological signs ... confusion, focal signs ... #Diagnosis
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... thrombophilia, neurologic ... signs/symptoms ... postpartum #Diagnosis ... #Headache #Killers
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... history of viral infection ... signs or symptoms ... #differential #diagnosis ... #neurology
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
eg, furnaces) Meningitis ... of sinus or ear infection ... Previous chronic meningitis ... #redflags #signs ... differential #emergency #diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... lesions of the central ... endocrine: Vitamin B12 ... Lack of UMN/LMN signs ... #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... lesions, aseptic meningitis ... CNS symptoms (headache ... oral ulcers in 12 ... #management #signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... purpura: Strong sign ... 50 years • New headache ... affects the skin, neurologic ... Angiitis of the Central