14 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
pneumothorax, COPD ... asthma • Pleural disease ... atelectasis • Lung ... 12 / shallow breathing ... Hypoventilation: • CNS
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... (Asthma, COPD) ... • Interstitial lung ... diseasePulmonary ... Hypoventilation Syndrome
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... • Valvular Lung ... Hypoxemia: • COPD ... • Interstitial Lung ... Breathing Miscellaneous
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... , Interstitial Lung ... #Hypoxia #hypoxemia
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
consider infarction, hypoxia ... In lung disease ... bronchitis, and COPD ... #Abnormal #Diagnosis ... #PhysicalExam
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
outward as is normal ... hyperexpansion of the lungs ... Hoovers #Sign #Pulmonary ... #COPD #PhysicalExam ... Video #Clinical #Breathing
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... diseases, pulmonary ... direction leads to hypoxemia ... Pneumonia, asthma, COPD ... hepatopulmonary syndrome
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... obstruction • COPD ... in the adjacent lung ... of the affected lung ... - BAR >1.0 is abnormal
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
Pulmonary Hypertension ... III - Chronic lung ... hypoxemiaCOPD ... issues at rest, but normal ... issues at rest, but normal
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D-lactate (short bowel syndrome ... Classically” noted with pulmonary ... acidosis: - CNS ... or restrictive lung ... disease (COPD,