15 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
, Cryptococcal pneumonia ... Aspergillus Pneumonia ... • CT: Halo sign ... - 20% of pneumonias ... Infections #HIV #AIDS #pulmonary
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... Reverse Halo Sign ... Halo Sign 6. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Disease, Rheumatoid Vasculitis ... Rheumatoid Nodules, Pulmonary ... RA #diagnosis #rheumatology ... #signs #symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... glomerulonephritis and/or pulmonary ... episcleritis as well as inner ... purpura: strong sign ... differential #diagnosis #rheumatology
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... infiltrate (e.g., CXR, CT ... procalcitonin) - Pulmonary ... chest pain) and signs ... #Pneumonia #Venn
Good example of 'shred sign' in a patient with fever, cough and shortness of breath. 

This
example of 'shred sign ... on CXR/CT imaging ... eabramsMD #Shred #sign ... #photo #ultrasound ... #lung #pulmonary
HRCT findings in Chronic eosinophilic pneumonia
Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On
Chronic eosinophilic pneumonia ... predominance (photo ... negative of pulmonary ... contrast enhanced CT ... #Eosinophilic #Pnemonia
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
progressing GN • New pulmonary ... purpura: Strong sign ... MPO > PR3) • Pulmonary ... episcleritis as well as inner ... Differential #Diagnosis #Rheumatology
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Community Acquired Pneumonia ... Management Pneumonia ... Signs/Symptoms: ... radiograph or CT ... Management #treatment #Pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
cause: Aspiration pneumonia ... for Klebsiella pneumonia ... seen • Chest CT ... Diagnosis: • Vasculitis ... Lung #Abscess #pulmonary