13 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Atmospheric pressure • Hypoventilation ... neuromuscular disease ... #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Mismatch • Airway Disease ... • Parenchymal Disease ... #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... pathology: • Blood: diffuse ... asthma • Pleural disease ... shallow breathing - Hypoventilation ... Diagnosis #Management #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
• Alveolar Hypoventilation ... Center, Obesity Hypoventilation ... , Interstitial Disease ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Hemorrhage • Hypoventilation ... Physiologic: ARDS, Diffuse ... Shock • Airway Disease ... #hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... Mount Everest) HYPOVENTILATION ... sedatives, obesity-hypoventilation ... Interstitial lung diseases ... gravity-dependent gradients
Non-ACS Myocardial Injury - Elevated Troponin Differential Diagnosis and Workup Algorithm

 • Chronic Myocardial Injury: End
Diagnosis and Workup ... Algorithm • ... End Stage Renal Disease ... Structural Heart Disease ... Pre-Coronarv): Shock, Hypoxemia
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... DIFFUSE Scarring ... planopilaris Pattern ... Secondary to Skin Disease ... Differential #Diagnosis #Algorithm
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Differential Diagnosis Algorithm ... • Smoking • Hypoventilation ... • Respiratory disease ... #Oxygenation #Hypoxia ... Differential #Diagnosis #Algorithm
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
restrictive lung disease ... consider infarction, hypoxia ... may show this pattern ... Breathing In lung disease ... #Breathing #Patterns