14 results
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Embolism, Pneumothorax ... : Pneumonia, Mucous ... Embolism, Emphysema ... #Diagnosis #causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Crackles / ↓ Air ... Blood: diffuse alveolar ... hemorrhage • Pus: pneumonia ... edema • Air: ... #Diagnosis #Management
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Bronchospasm, Pulmonary ... Embolism, Pneumothorax ... , Alveolar Hemorrhage ... edema), Lung Exam, POCUS ... (B-lines, lung
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive ... #Hypoxia #hypoxemia ... #differential #diagnosis
ABCs of Lung Ultrasound - A-Lines, B-Lines, Consolidation
A-Profile - Air filled lung does not transmit sound
- A-Lines, B-Lines ... C-Profile - Filled alveoli ... C-Profile - Collapsed alveoli ... #POCUS #Differential ... #Diagnosis #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... pleura reflection) Pneumonia ... cases - Dynamic air ... Embolism (PE): ... #differential #diagnosis
B-Lines on Lung POCUS

PE is LEAST likely to show B lines. Juxtaposition of fluid droplets &
POCUS PE is LEAST ... fluid droplets & air ... on US (alveolar ... #Lung #POCUS #clinical ... #Pulmonary #ultrasound
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
in case of Pneumonia ... /lung sliding: Pulmonary ... NOT definitively diagnose ... RJonesSonoEM #BLines ... #ultrasound
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... direction leads to hypoxemia ... • Causes: Pneumonia ... embolus SHUNT ... #Differential #Diagnosis
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
Findings on Lung ultrasound ... mild infection; alveolar ... patients with pulmonary ... COVID19 #Lung #ultrasound ... #POCUS #Diagnosis