17 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

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

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... asthma • Pleural disease ... Hypoventilation: • CNS ... #Diagnosis #Management ... #pulmonary
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... - Differential Diagnosis ... Algorithm Pulmonary ... and/or Hypoxemia ... #Algorithm #Causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Obstructive Lung Disease ... , Interstitial Disease ... #Hypoxia #hypoxemia ... #differential #diagnosis
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
- Differential Diagnosis ... Algorithm Hypovolemic ... Stress, Nausea, Pulmonary ... Diseases, CNS Disease ... #Algorithm #diagnosis
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Differential Diagnosis ... Algorithm Normal ... • Cushing's Disease ... Anorexia Nervosa • CNS ... #Differential #Diagnosis
CGD and Mulch Pneumonitis
This acute fulminant invasive fungal pneumonia in absence of iatrogenic or exogenous immunosuppression
aerosolized fungal spores ... Acute dyspnea, hypoxia ... and evidence of pulmonary ... granulomatous #disease ... #diagnosis
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Differential Diagnosis ... Algorithm Elevated ... : Cardiac/pulmonary ... disease, Smoking ... #Algorithm #hematology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
- Differential Diagnosis ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... acidosis: - CNS ... restrictive lung disease