19 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Algorithm Ventilation ... Malformation • Severe Pneumonia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... hemorrhage • Pus: pneumonia ... #Hypoxia #differential ... #Diagnosis #Management ... #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Simplified A-a (assumes Room ... Atelectasis, ARDS, Pneumonia ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Parenchymal • Pneumonia ... #Differential # ... Diagnosis #Algorithm
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... Respiratory: • Pulmonary ... Embolism • Hypoxia ... Diagnosis #Algorithm
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... Differential Bilat ... /lung sliding: Pulmonary ... NOT definitively diagnose ... #Lung #POCUS #clinical
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... Differential/diagnosis ... Pulmonary embolism ... Echocardiogram #A4c #clinical ... #cardiology #McConnells
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... ; PZ, pulmonary ... #Diagnosis #Pulmonary ... #Radiology #RHS ... #Algorithm
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... rarely typical pneumonia ... #differential # ... diagnosis #pulmonary ... #CXR #clinical
Pneumonia on POCUS

Otherwise healthy 12mo-old w/ fever. Linear & phased array viewing the lung (subpleural &
Pneumonia on POCUS ... consolidation >1cm, supports ... diagnosis of community-acquired ... no significant hypoxia ... #POCUS #clinical