7 results
Causes of Acute Pharyngitis
• 200 visits per year per 1000 people
   - i.e. 400
Causes of Acute ... visits/year for a PCP ... Rhinovirus (20%) • Coronavirus ... EBV, CMV, HIV-1 Bacterial ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... of PCN allergy ... • Anaerobic Bacteria ... Abscess Differential ... #causes #management
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... lesions • 80% with lung ... Infectious: • Bacterial ... Lesions #Brain #differential ... #diagnosis #causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... (AG) = {Na - (Cl ... syndrome, intestinal bacterial ... or restrictive lung ... Base #Gas #VBG #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... tuberculosis, Bacterial ... , and fever BACTERIAL ... Pneumonia: • PVL ... AIDS #pulmonary #differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... Non-Infectious Causes ... Leptospirosis Pel-Ebstein ... Brucellosis • Liver or lung ... Fever #Patterns #Differential
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Other +s: PCP, Histo ... Infections with certain bacteria ... in BAL does not differentiate ... result in + as long ... blood products #BetaDGlucan