12 results
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
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
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
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
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
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
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Endocarditis (BCNIE ... requires special media ... but important causes ... antiphospholipid syndrome ... #Endocarditis #
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
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... primary condition MEDIUM ... tract, and often causes ... , recent viral infection