33 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Pulmonary Arterial ... Defect ** • Atrial ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #pulmonary #Aa
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... Response Management Algorithm ... asthma • Pleural disease ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Secondary to chronic ... lung disease (COPD ... ) • Hypoxia ... • Pulmonary hypertension
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Differential Diagnosis Algorithm ... Pulmonary Arterial ... and/or Hypoxemia ... Metabolic Disorders Chronic
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Pulmonary arterial ... arterial hypertension ... and/or hypoxia ... Chronic obstructive ... pulmonary disease
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Interstitial lung diseases ... , pulmonary edema ... direction leads to hypoxemia ... shunting (eg, atrial ... Respiratory #Failure #hypoxia
Medications for High-Altitude Sickness 
Acetazolarnide 
 • Carbonic Anydrase Inhibitor Bicarb diuresis & metabolic Acidosis ->
Acetazolarnide • Carbonic ... • Improves hypoxemia ... • Decreases pulmonary ... arterial pressure ... • Improves hypoxemia
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... Respiratory: • Pulmonary ... Embolism • Hypoxia ... • AFib/AFlutter ... Differential #Diagnosis #Algorithm
Nail Clubbing - Differential Diagnosis Algorithm
Bronchopulmonary Disease
 • Bronchiectasis
 • Chronic Lung Infection
 • Lung Cancer
Differential Diagnosis Algorithm ... Bronchiectasis • Chronic ... Cystic Fibrosis • Chronic ... Hypoxia Cardiovascular ... Differential #Diagnosis #Algorithm