13 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... • Atelectasis Central ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... Rapid Response Management ... atelectasis • Lung ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... Differential Diagnosis ... Targeted Exam: Mental ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... congestion with hypoxemia ... consistent with pulmonary ... be detected on CT ... with early enteral
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
: Atelectasis, ARDS ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... computed tomographic (CT ... lobar collapse, lung ... collapse, or pulmonary ... severity of the hypoxemia
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... respiratory failure or ARDS ... dyspnea, tachypnea, hypoxemia ... fentanyl mixed with heroin
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 ... high-resolution chest CT ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... seen • Chest CT ... Abscess Differential ... #Abscess #pulmonary ... #differential #
TRALI Diagnostic Criteria
TRALI type 1 - Patients who have no risk factors for ARDS and meet
Acute onset, Hypoxemia ... evidence of bilateral pulmonary ... eg. chest chest CT ... contributor to the hypoxemia ... TRALI l, and b Stable