18 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Arterial Hypertension ... ** • Atrial Septal ... Defect Pulmonary ... #Hypoxia #Differential
Large Atrial Septal Defect and clearly not a PFO. I want to personally thank all the
Large Atrial Septal ... Defect and clearly ... Echocardiogram #A4C ... #ASD #Large #SeptalDefect
Large atrial septal defect on cardiac POCUS with an oddly satisfying bubble study.

Eric Abrams, MD @eabramsMD

#Bubble
Large atrial septal ... defect on cardiac ... Bubble #Study #ASD ... #Atrial #SeptalDefect ... Echocardiogram #A4C
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... #pulmonary #differential
Secundum atrial septal defect (ASD) CardiacCT. In nl development, the ostium secundum allows placental blood to
Secundum atrial ... septal defect (ASD ... shunting then closes ... CardiacCTA #CCTA #ASD ... #Atrial #SeptalDefect
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... reversible diffusion defects ... shunting (eg, atrial ... ventricular septal defects ... #Differential #
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
in arterial oxygenation ... lung disease Caused ... cycles after right atrial ... passage • Arterial ... blood gas (ABC)
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Hypertension - Differential ... Arterial Hypertension ... Lung Disease and ... /or Hypoxemia:
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Stroke Volume / Arterial ... less compliant arteries ... of developing atrial ... mmHg developed atrial ... • Infective Endocarditis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
ARDS, Pneumonia and ... • Diffusion Defect ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential