24 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

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

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... edema • Air: pneumothorax ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... #Hypoxia #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... Bronchospasm, Pulmonary ... Embolism, Pneumothorax ... Troponin), ABG, STAT CXR ... , CTA Chest, Echocardiogram
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Imaging evidence of a ... chest infiltrate ... (e.g., CXR, CT, ... production, pleuritic chest ... pain) and signs
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Left Shunt - Anatomic ... #Hypoxia #hypoxemia ... #differential #
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... prior pneumothorax ... airways leading to pulmonary ... #Clinical #Radiology ... #CXR #Pneumothorax
Hilum Overlay Sign on Chest X-Ray
If a mass is in contact with the pulmonary vessels then,
on Chest X-Ray ... If a mass is in ... contact with the pulmonary ... #Chest #XRay #clinical ... #radiology #CXR
A 37 yo male with no sig PMH presents with pleuritic chest pain for 3 days.
A 37 yo male with ... no sig PMH presents ... with pleuritic chest ... Chest xray is shown ... #Clinical #Radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... hematogenous spread of a ... Miliary #Pattern #Chest ... #diagnosis #pulmonary ... #CXR #clinical
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... infiltrates on chest ... • Signs/Symptoms ... scattered crackles, chest ... edema #causes #differential