5 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoventilation: CNS ... neuromuscular disease ... Cardiac, Vascular, Alveolar ... Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
: CNS of Respiratory ... Hypoventilation Syndrome ... UnremarkableLab #AA ... #Gradient #alveolar ... #Hypoxia #hypoxemia
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... Blood: diffuse alveolar ... asthma • Pleural disease ... 12 / shallow breathing ... Hypoventilation: • CNS
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Interstitial lung diseases ... gravity-dependent gradients ... direction leads to hypoxemia ... Pneumonia, asthma, COPD ... hepatopulmonary syndrome
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
consider infarction, hypoxia ... hyperventilation syndrome—a ... bronchitis, and COPD ... #Pulmonary #Abnormalities ... Abnormal #Diagnosis #PhysicalExam