41 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

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

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... COPD/asthma • Pleural ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential ... #Diagnosis #Management
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... edema), Lung Exam, POCUS ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup ... #diagnosis #Management
pleural effusion #management #treatment #algorithm #diagnosis
pleural effusion ... #management #treatment ... #algorithm #diagnosis
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Exudative Effusion:
 - Pulmonary
     •
Diagnosis Algorithm ... Upper Limit of Normal ... #Pleural #Effusion ... #Differential #Diagnosis ... #Algorithm #Causes
The management of hypoxia in a patient undergoing a procedure has a variety of etiologies, but
hypoxia in a patient ... recognize the cause of hypoxia ... #diagnosis #algorithm ... #management #treatment ... anesthesiology #anesthesia #hypoxia
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
effusion - Reduced ... Possible bilateral effusion ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... Disease and more • Diffusion ... #Hypoxia #hypoxemia ... #differential #diagnosis
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Algorithm Elevated ... Acquired Causes: • Hypoxia-driven ... : Cardiac/pulmonary ... altitude habitat • Hypoxia-independent ... ), TEMPI (VEGF normal