6 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... ** • Atrial Septal ... Defect Pulmonary ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... VIQ mismatch and shunt ... pulmonary embolus SHUNT ... shunting (eg, atrial ... #Differential #
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
in Right Atrium ... left to right shunt ... #Right #Atrium ... echocardiogram #s4c ... #pocus #bubble
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
the Newborn - Differential ... Only: • Poor Perfusion ... Left-to-Right Shunt ... Arteriosus • Atrial ... Cyanosis #Newborn #Differential
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
or anatomic shunt ... upright position • Hypoxemia ... cycles after right atrial ... blood gas (ABC) ... Quantifies degree of hypoxemia
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