5 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial ... lung disease ... • Pulmonary Arterial ... #Hypoxia #Differential
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential ... Diagnosis Algorithm ... Alveoli • Pneumonia ... Interstitium ... • ILD • CHF
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Disease, Interstitial ... , Interstitial Lung ... #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Disease by CD4 ... , pleural effusion ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary ... diagnosis #infectiousdiseases
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Diagnosis Framework ... oxygen • Causes: Interstitial ... lung diseases, ... • Causes: Pneumonia ... Diagnosis #pulmonary