31 results
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... (B-lines, lung ... Troponin), ABG, STAT CXR ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... edema • Air: ... atelectasis • Lung ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
patient who had a CT ... edema. ... #Clinical #Radiology ... #CTChest #SeptalThickening ... #CHF #RadiologyAssistant
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Edema, Atelectasis ... , Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
infiltrate (e.g., CXR ... , CT, ultrasound ... procalcitonin) - Pulmonary ... signs (tachypnea, hypoxemia ... Diagram #Diagnosis #Pulmonolary
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
Lung infarction ... On the CT we can ... #Clinical #Radiology ... #CXR #CTChest # ... LungInfarct #Infarct #PulmonaryEmbolism
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... congestion with hypoxemia ... edema must be present ... be detected on CT ... or CXR ● PaO2/
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... confirmed with chest ... CT angiography. ... #photo #CXR #EmergencyMedicine ... #PE #PulmonaryEmbolism
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
edema must be present ... on a chest radiograph ... computed tomographic (CT ... lobar collapse, lung ... severity of the hypoxemia
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
blood cells in the lung ... • Symptoms: Hypoxemic ... infiltrates on chest ... dyspnea, tachypnea, hypoxemia ... scattered crackles, chest