44 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... #Hypoxia #Differential ... #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 ... Management Indication ... CONSIDER: a trial ... Society of Critical ... #failure #algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... Algorithm Stridor ... #Hypoxia #differential ... #Diagnosis #Management ... #pulmonary
Proposed Respiratory Support Algorithm in COVID19

The ‘intubate early’ paradigm, where patients who “fail” low flow oxygen
Respiratory Support Algorithm ... Also, a low threshold ... #management #schema ... #criticalcare #hypoxia ... #failure #algorithm
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 ... #failure #algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Intracardiac, Pulmonary ... #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 ... look for focal a-lines ... - CBC with differential ... as clinically indicated ... #algorithm #schema
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... ALKI (activin A ... disease and/or hypoxia ... chronic renal failure ... #Differential #
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
cellular and tissue hypoxia ... utilization, or a ... Classification #types #diagnosis ... #management #criticalcare ... #differential
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... Diagnosis The ... clinical prognostic ... output - Acute pulmonary ... Acidosis #Elevation #Differential