57 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Asthma, COPD) • Vascular ... • Interstitial lung ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemia and Dyspnea - Rapid Response Management

1) Ask for vitals en route
2) Stabilize: Nasal canula 
3)
Hypoxemia and Dyspnea ... Diagnose using hypoxemia ... the underlying cause ... NatalieRosen_MD #Hypoxemia ... #Hypoxia
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
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Focal Alveolar: Pneumonia ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential ... #Diagnosis #causes
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
The reversible causes ... Hypovolemia, Hypoxia ... /Hypoxemia, Hydrogen ... Pneumothorax, Thrombosis (Pulmonary ... diagnosis #arrest #management
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... direction leads to hypoxemia ... • Causes: Pneumonia ... bypassing the lungs ... Respiratory #Failure #hypoxia
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... - Workup and Management ... Exam, POCUS (B-lines ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome, Muscular ... Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diastolic • Valvular ... Lung Disease and ... /or Hypoxemia: ... • Interstitial Lung
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... vascular permeability ... with hypoxemia ... the underlying cause ... oxygenation in pneumonia