13 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Algorithm Ventilation ... • Interstitial lung ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Disease and more • Diffusion ... , Interstitial Lung ... #hypoxemia #differential ... #diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... gravity-dependent gradients ... #Differential # ... Diagnosis #pulmonary
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... atelectasis • Lung ... #Hypoxia #differential ... #Diagnosis #Management ... #Algorithm #rapid
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... shunt (Type 2) Clinical ... upright position • Hypoxemia ... on radioactive lung ... 80mmHg or A-a gradient
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
evaluation - Chest ... X-ray - Lung ultrasound ... - CBC with differential ... as clinically indicated ... iBookCC #COVID19 #algorithm
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... D D-lactate (short ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... explained by pleural effusions ... lobar collapse, lung ... severity of the hypoxemia ... Definition #Criteria #Diagnosis
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
diagnosis but rather ... to be in ADHF starts ... establishing a diagnosis ... #diagnosis #differential ... #algorithm #management