197 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Right to Left Shunt ... Right to Left Shunt ... 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
Hypoxemia and Dyspnea - Rapid Response Management

1) Ask for vitals en route
2) Stabilize: Nasal canula 
3)
Hypoxemia and Dyspnea ... Management 1) Ask ... Diagnose using hypoxemia ... NatalieRosen_MD #Hypoxemia ... criticalcare #pulmonary #Hypoxia
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Alkalosis • Shunt ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... - Anatomic Shunt ... - Physiologic Shunt ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... edema), Lung Exam, POCUS ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Acute Pulmonary Embolism on POCUS Echocardiogram before and after TPA
POCUS Echocardiogram in suspected hypoxic COVID patient
Pulmonary Embolism on POCUS ... and after TPA POCUS ... Echocardiogram in suspected hypoxic ... aged male with hypoxia ... bedside based on POCUS
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
VIQ mismatch and shunt ... direction leads to hypoxemia ... pulmonary embolus SHUNT ... Respiratory #Failure #hypoxia
This is what a shoulder dislocation looks like on US before and after reduction. Focus on
Focus on the joint ... EM_RESUS #Clinical #POCUS ... #MSK #Shoulder
Rapid Assessment of the Neonate With Sonography (RANS) Scan

Recommended algorithm for RANS scan. 
* Abnormal vital
respiratory distress, hypoxia ... #RANS #RAPID #POCUS