15 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Diagnosis #Algorithm ... #pulmonary #Aa
COVID-19 Hypoxia Management

Indication for endotracheal intubation?
Tolerating supplemental oxygen?
Consider HFNC
Not tolerating HFNC or HFNC is not available?
Consider
COVID-19 Hypoxia ... CONSIDER: a trial ... Society of Critical ... management #schema #criticalcare ... #algorithm #survivingsepsis
Diagnosis of Pulmonary Embolism in Pregnancy - EMCases Algorithm

Clinical Pearls:
 - Reproducible chest wall tenderness does
Diagnosis of Pulmonary ... Pregnancy - EMCases Algorithm ... Clinical Pearls ... unmask underlying hypoxia ... #Algorithm #Pulmonary
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
patients with COVID ... • Proning is a ... Internet Book of Critical ... management #schema #criticalcare ... #algorithm
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 #diagnosis
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
Diagnostic approach ... evaluation - Chest ... look for focal a-lines ... as clinically indicated ... #algorithm #schema
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
known clinical insult ... chest radiograph ... severity of the hypoxemia ... Definition #Criteria #Diagnosis ... #CriticalCare
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Syndrome – ARDS: Clinical ... congestion with hypoxemia ... <300mmHg with a ... Summary #CheatSheet #Diagnosis ... #Management #CriticalCare
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
defect (Type 1) or anatomic ... shunt (Type 2) Clinical ... upright position • Hypoxemia ... Quantifies degree of hypoxemia ... cirrhosis • Intra-pulmonary
COVID-19 on Lung POCUS

Day 4 after COVID diagnosis. More cough & tiredness (very badly), still no
diagnosis. ... still no dyspnea/chest ... resolution, Left side a ... #clinical #lung ... #ultrasound #pulmonary