58 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease ... , ↓ chest wall compliance ... #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Parenchymal Disease ... Abnormalities • Chest ... #Diagnosis #Algorithm
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Features of Pulmonary Diseases ... Atelectasis - Emphysema ... Pneumothorax - Effusion ... Lung #CXR #XRay #ChestCT ... #Differential #Diagnosis
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Hemorrhage • Impaired Diffusion ... Pulmonary Embolism, Emphysema ... Shock • Airway Disease ... #Diagnosis #causes
Posterior L chest scan…same patient. Explains all! Massive L effusion, empyema. Drained and later discharged from
Posterior L chest ... Massive L effusion ... , empyema. ... Lung #Massive #Empyema ... #PleuralEffusion
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
• Pleural effusion ... Parapneumonic effusion ... ; empyema, M.tuberculosis ... #differential #diagnosis ... #chestCT #radiology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Smoking related diseases ... (centrilobular emphysema ... Pulmonary edema #Diagnosis ... Pulmonary #HRCT #ChestCT ... #Upper #Lower #RadiologyAssistant
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
Empyema Necessitans ... (EN) on Chest Wall ... drain - What’s the diagnosis ... infected pleural effusion ... of the pleural effusion
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... asthma • Pleural disease ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... #Diagnosis #Management
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... Honeycombing Most diseases ... #Diagnosis #Radiology ... TractionBronchiectasis #Cysts #Emphysema ... #SignetRing #RadiologyAssistant