8 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Ventilation/perfusion ... Defect ** • Atrial ... #Diagnosis #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Right-to-Left Shunt ... #Diagnosis #Algorithm ... #pulmonary #Aa
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
VIQ mismatch and shunt ... lung diseases, pulmonary ... asthma, COPD, pulmonary ... embolus SHUNT ... shunting (eg, atrial
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:
Differential Diagnosis Algorithm ... Only: • Poor Perfusion ... Arteriosus • Atrial ... Total Anomalous Pulmonary ... Differential #Diagnosis #Algorithm
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
1) or anatomic shunt ... upright position • Hypoxemia ... blood gas (ABC) ... cirrhosis • Intra-pulmonary ... scanning or pulmonary
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
Double Shunt on ... liver disease and pulmonary ... Early transit of bubbles ... 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 ... algorithm to determine ... days before Pulmonary ... CARP, DECREASE V trials