10 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Disease (Asthma, COPD ... • Interstitial lung ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... pHTN, Advanced COPD ... Disease: Asthma, COPD ... 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) ... • HypoxiaPulmonary ... #Multifocal #Atrial
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
cellular and tissue hypoxia ... brain or spinal cord ... CARDIOGENIC (Cold ... OBSTRUCTIVE (Cold ... HYPOVOLEMIC (Cold
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
cellular and tissue hypoxia ... tachycardia, dyspnea, cold ... brain or spinal cord ... beriberi CARDIOGENIC (Cold ... ring OBSTRUCTIVE (Cold
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
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
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
Pulmonary Hypertension ... remodeling of pulmonary ... III - Chronic lung ... disease causing hypoxemia ... • COPD, ILD,
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 ... arterial hypertension ... a patient with COPD ... Radiology #CXR #Old
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... obstruction • COPD ... polycythemia from chronic hypoxia ... Physical stigmata of cor ... in the adjacent lung