18 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Malformation • Severe Pneumonia ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... direction leads to hypoxemia ... • Causes: Pneumonia ... Respiratory #Failure #hypoxia ... #Differential #
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... and Management Differential ... Exam, POCUS (B-lines ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... hemorrhage • Pus: pneumonia ... atelectasis • Lung ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
on Lung POCUS ... POCUS lung exam ... Differential Bilat ... Lung POCUS shows ... Lung POCUS invaluable
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... bronchograms (atelectasis has ... submassive PE) POCUS ... #pulmonary #differential ... #POCUS #ultrasound
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
of PEA arrest: H’ ... Hypovolemia, Hypoxia ... ), Thrombosis (lungs ... #arrest #HsTs #Differential
Pneumonia on POCUS

Otherwise healthy 12mo-old w/ fever. Linear & phased array viewing the lung (subpleural &
Pneumonia on POCUS ... array viewing the lung ... no significant hypoxia ... Herbst @EUSmkh #Pneumonia ... #lung #ultrasound
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... either due to a diffusion-perfusion ... upright position • Hypoxemia ... Quantifies degree of hypoxemia ... on radioactive lung