26 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... : • 3 syndromes ... of a "flu-like syndrome ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
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 ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
Air Bronchograms in Pneumonia on Lung Ultrasound

Pearl: When lung looks like liver, it's never a good
Bronchograms in Pneumonia ... , it's never a good ... CXR in video for ... comparison. ... clinical #pocus #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
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 ... #Pneumonia #Venn ... #Pulmonolary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
cough, dyspnea, fever ... - Imaging: • CXR ... - Diagnosis: ... , Pulmonary lymphoma ... #ILD #diagnosis
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
Based on the images alone, it is usually not possible to determine the cause of the
with cough and fever ... with low oxygen level ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Cough, Dyspnea, Fever ... Differential Diagnosis ... , anti-CCP • CXR ... high resolution chest ... #differential #diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Hypoventilation Syndrome ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... #differential #diagnosis