11 results
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Bronchospasm, Pulmonary ... (JVP, edema), Lung ... POCUS (B-lines, lung ... Troponin), ABG, STAT CXR ... #treatment #criticalcare
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Left Shunt - Anatomic ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... attached to the chest ... is a possible diagnosis ... airways leading to pulmonary ... Clinical #Radiology #CXR
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
congestion with hypoxemia ... be detected on CT ... or CXR ● PaO2/ ... Summary #CheatSheet #Diagnosis ... #Management #CriticalCare
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... in the diagnosis ... CT angiography. ... #photo #CXR #EmergencyMedicine ... #CriticalCare #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... thickening, presence of air-fluid ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... lat decubitus - air ... CT Lung Abscess ... #Abscess #pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
computed tomographic (CT ... lobar collapse, lung ... severity of the hypoxemia ... Definition #Criteria #Diagnosis ... #CriticalCare
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
Notice the air-fluid ... attached to the chest ... is a possible diagnosis ... airways leading to pulmonary ... Clinical #Radiology #CXR
TRALI Diagnostic Criteria
TRALI type 1 - Patients who have no risk factors for ARDS and meet
Acute onset, Hypoxemia ... < 90% on room air ... chest CT, or ultrasound ... #Criteria #pulmonary ... #criticalcare