55 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
loss, lethargy, fever ... • Fever, weight ... be normal • Fever ... , pleural effusion ... Infections #HIV #AIDS #pulmonary
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Diseases - Pneumonia ... Pneumothorax - Effusion ... Emphysema - Pulmonary ... #Diseases #Radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
cough, dyspnea, fever ... Rare: pleural effusions ... , Pulmonary lymphoma ... Treatment: • ... #COP #BOOP #pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
disease • Pleural effusion ... Parapneumonic effusion ... (NHL, primary effusion ... Pyogenic bacterial pneumonia ... diagnosis #chestCT #radiology
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Eosinophilic Pneumonia ... tobacco hx - Fever ... Ground Glass +/- Effusions ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... - Loculated effusion ... - Air-fluid level ... - Pleural effusion ... xray #clinical #radiology
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... pleura reflection) Pneumonia ... Possible small plural effusion ... Possible bilateral effusion ... #Lung #POCUS #ultrasound
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
760 mm Hg at sea level ... lung diseases, pulmonary ... hypoxemia • Causes: Pneumonia ... asthma, COPD, pulmonary ... shunting (eg, pulmonary
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... e.g., CXR, CT, ultrasound ... Inflammation (e.g., fever ... procalcitonin) - Pulmonary ... #Pneumonia #Venn
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
streptococcus pneumoniae ... respond to the treatment ... are organizing pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CXR