9 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... tuberculosis, Blastomycosis ... • CT: Halo sign ... Infections #HIV #AIDS ... #pulmonary #differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... +/- High res CT ... chest scan), CBC ... Cryptococcal Ag, Urine ... HIVAIDS #workup #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
hump along may aid ... in the diagnosis ... confirmed with chest ... CT angiography. ... #photo #CXR #EmergencyMedicine
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
for Klebsiella pneumonia ... Blood cultures • CXR ... early disease) • CXR ... CT Lung Abscess ... Lung #Abscess #pulmonary
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... radiograph or CT ... Blood cultures - Urine ... #CAP #Diagnosis ... #Pulmonary #Community
Blastomycosis Summary

Pathogen: 
 • Dimorphic fungus - Blastomyces dermatitidis or Blastomyces gilchristii.
 • The fungus lives
Blastomycosis Summary ... The Disease: • Pulmonary ... pleural fluid, BAL, CSF ... , urine, Skin tissue ... Treatment:
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
isavuconazole BLASTOMYCOSIS ... aches, joint pain, chest ... yeast • At risk: AIDS ... MC: CNS CSF: • ... India ink prep CSF