35 results
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... Troponin), ABG, STAT CXR ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup ... diagnosis #Management #treatment
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
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) • Hypoxia ... • Pulmonary hypertension ... • Oxygen • Treatment ... Tachycardia #MAT #Cardiology
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
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/
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... polycythemia from chronic hypoxia ... in the adjacent lung ... CT) • Broncho-arterial ... mycobacteria Treatment
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
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
CT • Patent airways ... DDx: pna, pulm edema ... Bronchogram #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology