14 results
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... Etiologies • Nonfocal mental ... poisoning • Mental ... , central venous ... #clues #differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... lyme • Altered mental ... • Meningeal signs ... lesion • CNS infection ... Diagnosis #Algorithm #neurology
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
aneurysm) • Infection ... Common Secondary Causes ... : • SAH (Thunderclap ... N Neurological signs ... confusion, focal signs
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... of sinus or ear infection ... parasitic or fungal infection ... vasoconstriction syndrome ... #redflags #signs
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
associated with infection ... 10%) • Otitis media ... following symptoms: headache ... , lung cancer, central ... gland tumor Clues
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... history of viral infection ... (Wallenberg's syndrome ... Syndrome usually ... signs or symptoms
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... Seizures • Altered mental ... Presentation: • Altered mental ... status • Headache ... may precede the neurologic
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Enteroviruses (e.g ... Symptoms: • Headache ... Acute meningeal signs ... rigidity) • Altered mental ... differential #diagnosis #neurology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... : Serial negative ... intravenous drug use, Central ... in up to 30% of cases ... Marantic #diagnosis #table
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... Symptoms: Fever, headache ... Symptoms: Fever, headache ... , altered mental ... Demyelinating disease caused