40 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... Elasticity (flail chest ... Left Shunt - Anatomic ... Hypoxia #hypoxemia #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... • Interstitial lung ... Abnormalities • Chest ... #Diagnosis #Algorithm
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
diseases with a ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... for a child or ... hypertension; CXR, chest ... ; CLD, chronic lung ... Hypertension #Workup #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Diagnosis #Algorithm ... #pulmonary #Aa
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
Necessitans (EN) on Chest ... POCUS Pulmonary ... erodes into the chest ... #respiratory #Chest ... #Lung
Assessment of Chest Tube Drains
Stepwise assessment of Chest Tube Function
TUBE POSITIONING
 • Look at the CXR:
• If a chest tube ... injury to the lung ... large injury to lung ... precipitate re-expansion pulmonary ... Diagnosis #Assessment #Pulmonary
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... atelectasis • Lung ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... Hypoxemia #Hypoxia #differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... On a Chest X-Ray ... chest x-ray. ... Diagnosis #Radiology #Pulmonary
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
normal chest film ... supplying the lung ... redistribution applies to chest ... practice many chest ... In these cases comparison