15 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Right to Left Shunt ... Defect ** • Atrial ... Right to Left Shunt ... Hypoxemia #Hypoxia #Differential
Hepatopulmonary Syndrome on Echocardiogram (A4C)
Hepatopulmonary Syndrome: Intrapulmonary shunting is most commonly demonstrated by contrast TTE when
Echocardiogram (A4C ... visualized in the left atrium ... with intracardiac shunt ... Echocardiogram #A4C ... #bubble #shunting
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
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
Pericardiocentesis - Agitated saline injected to confirm needle location. Bubbles seen in pericardial space.

Dr. Robert Jones
Bubbles seen in ... #Pericardial #Effusion ... #Clinical #Ultrasound ... #POCUS #A4c #Echocardiogram
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Summary A defect in arterial ... either due to a diffusion-perfusion ... 1) or anatomic shunt ... cycles after right atrial ... blood gas (ABC)
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
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... - Anatomic Shunt ... Disease and more • Diffusion ... Gradient #alveolar #arterial ... Hypoxia #hypoxemia #differential
Knee Effusion on POCUS

Subtle Knee effusion can be made more evident by milking the inferior joint
Knee Effusion on ... POCUS Subtle Knee ... effusion can be ... #POCUS #ultrasound ... #clinical #Msk
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... selective renal intra-arterial ... #Hypertension #Differential