10 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... lyme • Altered mental ... ) • Systemic symptoms ... lesion • CNS infection ... Diagnosis #Algorithm #neurology
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 ... Long symptom-free ... signs or symptoms ... Vertigo #Causes #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... : Fever, headache ... , altered mental ... #differential # ... diagnosis #AIDS
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... shoulder girdle symptoms ... thrombophilia, neurologic ... signs/symptoms ... Dangerous #Deadly #Differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
status • Headache ... /Sepsis/Shock, Autoimmune ... Neurological symptoms ... Reversible course Differential ... Seizures: Treat with AEDs
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
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Constitutional symptoms ... #AIDS #pulmonary
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... yeast • At risk: AIDS ... change in the lungs ... fever • Septic shock ... nails, bronchi, lungs
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 ... impairment, neurologic
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... systemic sx + signs ... very remarkable w/differential ... vasculitis vs infection ... claudication, headaches