40 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... of Lung Findings ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Cough, Dyspnea, Fever ... Hemoptysis, Peripheral edema ... Differential Diagnosis ... , anti-CCP • CXR ... high resolution chest
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
• BNP level < ... ischemic changes CXR ... respiratory distress syndrome ... Transfusion-related acute lung ... #diagnosis #cardiology
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... Inflammation (e.g., fever ... pain) and signs ... #Pulmonolary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
healthy pt with fever ... sliding: Pulmonary ... partially seen shred sign ... NOT definitively diagnose ... Pulm Edema
Based on the images alone, it is usually not possible to determine the cause of the
with cough and fever ... edema - filling ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
4 - Fibrosis Pulmonary ... chylothorax, and pulmonary ... gland sweling, fever ... #Sarcoidosis #Diagnosis ... Stages #Staging #Signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... of a "flu-like syndrome ... Infections #HIV #AIDS #pulmonary
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking; Fever ... brown sputum, fever ... Travel hx, food hx; Fever ... #Diseases #pulmonary ... #comparison #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... : • 80% have fever ... Blood cultures • CXR ... decubitus - air fluid level ... #Abscess #pulmonary