7 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... • Pulmonary Arterial ... Right to Left Shunt ... Defect ** • Atrial ... Hypoxemia #Hypoxia #Differential
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
the Newborn - Differential ... Only: • Poor Perfusion ... Arteriosus • Atrial ... Transposition of the Great Arteries ... Cyanosis #Newborn #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... VIQ mismatch and shunt ... pulmonary embolus SHUNT ... shunting (eg, atrial ... Failure #hypoxia #Differential
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Summary A defect in arterial ... 1) or anatomic shunt ... cycles after right atrial ... passage • Arterial ... blood gas (ABC)
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Right to Left Shunt ... Disease and more • Diffusion ... Gradient #alveolar #arterial ... Hypoxia #hypoxemia #differential
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Effect in Right Atrium ... - Differential ... left to right shunt ... echocardiogram #s4c ... #pocus #bubble
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
Double Shunt on ... as RAP>LAP as atrial ... (extra-cardiac shunt ... Echocardiogram #clinical #pocus ... #a4c #intrapulmonary