28 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... (COP), chronic eosinophilic ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Approach to Eosinophilic ... Lung #Diseases #pulmonary ... #differential # ... diagnosis #comparison #table ... #eosinophilia
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Right to Left Shunt ... Right to Left Shunt ... Abnormalities • Chest ... Hypoxemia #Hypoxia #Differential
Life Threatening Causes of Chest Pain - Differential Diagnosis Table

 • ACS
 • Aortic Dissection
 •
Threatening Causes of Chest ... Pain - Differential ... Diagnosis Table ... Dissection • Pulmonary ... #diagnosis #table
Thoracic Trauma - Lethal 6 and Hidden 6 of Thoracic Trauma
The Lethal 6 of Thoracic Trauma:
Pneumothorax • Massive Hemothorax ... Tamponade • Flail Chest ... Esophageal Injury • Pulmonary ... management #injuries #differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... lung) - CNS pathology ... hemorrhage) - Pulmonary ... pathology (e.g. ... #Diagnosis #Table
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Right to Left Shunt ... - Anatomic Shunt ... Hypoxia #hypoxemia #differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease, ↓ chest ... Right-to-Left Shunt ... Hypoxemia #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
- Upper airway pathology ... - Lower airway pathology ... pneumonia • Water: pulmonary ... MG, ALS) • ↓ chest ... Hypoxemia #Hypoxia #differential