7 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 ... #Diagnosis #Algorithm
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... or anatomic shunt ... (Type 2) Clinical ... blood gas (ABC) ... scanning or pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... defects) VENTILATION ... AVMs, hepatopulmonary ... shunting (eg, atrial ... #Differential #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
AVMs, Hepatopulmonary ... Defect: Pulmonary ... #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... left to right shunt ... 2. ... echocardiogram #s4c ... #pocus #bubble
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 ... #2 c/w hepatopulmonary ... as RAP>LAP as atrial ... clinical #pocus #a4c
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... murmur 3/6) - Pulmonary ... days before Pulmonary ... management for select ... stratification #diagnosis