6 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Arterial Hypertension ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Right-to-Left Shunt ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #pulmonary #Aa
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... direction leads to hypoxemia ... shunting (eg, atrial ... Respiratory #Failure #hypoxia ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... Disease and more • Diffusion ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Diagnosis Algorithm ... Only: • Poor Perfusion ... Total Anomalous Pulmonary ... Venous Return ... Transposition of the Great Arteries
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 ... upright position • Hypoxemia ... blood gas (ABC) ... Quantifies degree of hypoxemia