41 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Arterial Hypertension ... Malformation • Severe Pneumonia ... #Hypoxia #Differential
Lung POCUS: Irregular pleural line with patchy B-lines. Seen in viral (including COVID19) and bacterial pneumonia.
Lung POCUS: Irregular ... viral (including COVID19 ... ) and bacterial ... pneumonia. ... #Lung #POCUS #Pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
on Lung POCUS ... POCUS lung exam ... Differential Bilat ... disease, interstitial ... NOT definitively diagnose
Lung POCUS: Irregular, thickened pleural line with diffuse B-lines and subpleural consolidation.  Seen in viral
Lung POCUS: Irregular ... viral (including COVID19 ... ) and bacterial ... pneumonia. ... #Lung #POCUS #Pulmonary
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Main Lung Ultrasound ... differences between COVID ... pneumonia. ... #POCUS #Lung #Ultrasound ... Comparison #Table #Diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Disease by CD4 ... angioinvasive disease ... AIDS #pulmonary #differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
hemorrhage • Pus: pneumonia ... asthma • Pleural disease ... atelectasis • Lung ... #Hypoxia #differential ... #Diagnosis #Management
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... and Management Differential ... (JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding)
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Hypertension - Differential ... Diagnosis Algorithm ... Pulmonary Arterial ... • Valvular Lung ... Hypoxemia: • COPD
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... Gradient #alveolar #arterial ... #hypoxemia #differential ... #diagnosis