9 results
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Symptoms: Fever, headache ... Symptoms: Fever, headache ... #Infections #differential ... #diagnosis #AIDS
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Intracardiac, Pulmonary ... : Atelectasis, ARDS ... V/Q Mismatch: Pulmonary ... Hypoxia #hypoxemia #differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... sensations - Headache ... cardiomyopathy, ARDS ... Disorientation, Headache ... heat #illness #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... 50 years • New headache ... Progressive symptoms of headache ... #Vasculitis #Differential
Headache Etiologies and Associated Spectrum of Severity of Disease by System
Critical, Emergent and Non-Emergent Causes
CNS, neurologic,
Headache Etiologies ... Non-Emergent Causes CNS ... Infectious disease Pulmonary ... Unspecified #headache ... #causes #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... cough, myalgias, headache ... Burnetii: • Fever, headache ... Infections #HIV #AIDS ... #pulmonary #differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... mental status • Headache ... narrowing on MRA/CTA ... Reversible course Differential ... Seizures: Treat with AEDs
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
treatment of HIV/AIDS ... be present: • AIDS ... pleural effusions, CNS ... Leishmaniasis Differential ... Inflammatory #Syndrome #Differential
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... yeast • At risk: AIDS ... especially the CNS ... MC: CNS CSF: • ... fungus then begins its