12 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... #neurology #PHANTOMS
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... Syndrome usually ... signs or symptoms ... Vertigo #Causes #differential ... #diagnosis #neurology
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 ... Dangerous #Deadly #Differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... disorder (Cardiac, pulmonary ... lesions of the central ... Lack of UMN/LMN signs ... #Diagnosis #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Coltivirus Symptoms ... influenzae Symptoms ... Acute meningeal signs ... diagnosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... Angiitis of the Central ... of headache, cognitive ... #Diagnosis #Rheumatology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
status • Headache ... Etiology: • Pathophysiology ... Neurological symptoms ... Reversible course Differential ... #neurology
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
with the same symptoms ... vasoconstriction syndrome ... #redflags #signs ... #symptoms #differential ... #emergency #diagnosis
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 ... #signs #symptoms ... #rheumatology #
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... systemic sx + signs ... vs infection vs ... GCA #Temporal #Signs ... #Symptoms #Diagnosis