12 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
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
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
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 #
Nail Clubbing - Differential Diagnosis Algorithm
Bronchopulmonary Disease
 • Bronchiectasis
 • Chronic Lung Infection
 • Lung Cancer
Nail Clubbing - Differential ... Diagnosis Algorithm ... Infection • Lung ... Fibrosis • Chronic Hypoxia ... #Diagnosis #Algorithm
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Hypertension - Differential ... Diagnosis Algorithm ... • Valvular Lung ... Disease and/or Hypoxemia ... • Interstitial Lung
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
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... Pulmonary Embolism • Hypoxia ... Sinus Syndrome (SA ... #Diagnosis #Algorithm
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
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung ... Base #Gas #VBG #differential