6 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Ventricular Septal Defect ... ** • Atrial Septal ... Defect Pulmonary ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... defects) VENTILATION ... shunting (eg, atrial ... ventricular septal defects ... #Differential #
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
or anatomic shunt ... (Type 2) Clinical ... upright position • Hypoxemia ... blood gas (ABC) ... scanning or pulmonary
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Atrium - Differential ... left to right shunt ... 2. ... #Atrium #RA #Differential ... #pocus #bubble
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Disease and more • Diffusion ... Defect: Pulmonary ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
liver disease and pulmonary ... Early transit of bubbles ... = PFO 2. ... as RAP>LAP as atrial ... clinical #pocus #a4c