6 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Disease (Asthma, COPD ... • Interstitial lung ... disease • Pulmonary ... Defect ** • Atrial
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Secondary to chronic lung ... disease (COPD) ... • HypoxiaPulmonary ... #Multifocal #Atrial
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Arterial Hypertension ... Disease and/or Hypoxemia ... : • COPD • Interstitial ... Lung Disease
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... direction leads to hypoxemia ... Pneumonia, asthma, COPD ... shunting (eg, atrial ... Respiratory #Failure #hypoxia
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... obstruction • COPD ... Physical stigmata of cor ... in the adjacent lung ... of the affected lung
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
fracture from a lung ... Notice the large lung ... and the enlarged pulmonary ... arterial hypertension ... a patient with COPD