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

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... Opportunistic Infections ... infections result ... infections typically ... #Infections #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... splenomegaly Other infections ... multiple lesions Infectious ... Lesions #Brain #differential ... #radiology #neurology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... infection Diagnosis ... Gastroenteritis) • PCR ... Infection) • ... MRI / CT if focal
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... infection Diagnosis ... Gastroenteritis) • PCR ... Infection) • ... MRI / CT if focal
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
feel weak": • Infectious ... : Influenza, EBV ... illness, Infection ... ↓, Malignancy, Infection ... #neurology
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... Diagnosis of Macroscopic ... suggests calculi/infection ... #EM #IM #Urology ... #Algorithm #Ddxof
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... lobe • Retina ... common cause) • Infection ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Polyclonal - Viral Infection ... Clinical Presentation ... Check For: • Infections ... Polyclonal IgM post infectious
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infection with ... special media) • Infection ... history of prior infections ... pathogens also exists Infectious ... #differential #
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
pulmonary etc) • CNS ... Vasculitis • Infectious ... Myeloma/amyloid • Infectious ... amiodarone, Alcohol • Infections ... #Diagnosis #neurology