122 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... disease • Pulmonary ... Septal Defect Pulmonary ... #Hypoxia #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... (↑Shunting), ↓Perfusion ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... ventilation (V) in the lungs ... direction leads to hypoxemia ... bypassing the lungs ... Respiratory #Failure #hypoxia
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... (JVP, edema), Lung ... POCUS (B-lines, lung ... CXR, CTA Chest, Echocardiogram
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Bronchospasm, Pulmonary ... Hemorrhage • Impaired Diffusion ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... pneumonia • Water: pulmonary ... atelectasis • Lung ... #Hypoxia #differential ... Algorithm #rapid #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Disease and more • Diffusion ... Defect: Pulmonary ... , Interstitial Lung ... #Hypoxia #hypoxemia
Shark Tail Appearance of Consolidated Lung on Pleural Effusion on POCUS

Dr. David Feller-Kopman @dfellerk

#Pleural #Effusion #pulmonary
of Consolidated Lung ... on Pleural Effusion ... dfellerk #Pleural #Effusion ... #pulmonary #Lung
Acute Pulmonary Embolism on POCUS Echocardiogram before and after TPA
POCUS Echocardiogram in suspected hypoxic COVID patient
Acute Pulmonary ... Embolism on POCUS Echocardiogram ... in suspected hypoxic ... aged male with hypoxia ... NagdevArun #Acute #Pulmonary
Spine sign: visualization of the vertebral bodies in the thoracic cavity above the diaphragm indicative of
indicative of pleural effusion ... absence of pleural effusion ... by air in the lung ... Clinical #Pleural #Effusion ... #Pulmonary #Lung