43 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... of Lung Findings ... #Patterns #Lung ... #Pulmonary #ChestCT ... #radiology #CTChest
Trauma - Paradoxical Breathing in Flail Chest 
It occurs when multiple adjacent ribs are broken in
Breathing in Flail Chest ... multiple places, separating ... a part of the chest ... Pattern #Trauma #Video ... #PhysicalExam #Pulmonary
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COVID-19 on Lung POCUS - Day 2

Day 2 after COVID diagnosis. Less sore throat, cough &
COVID-19 on Lung ... Day 2 after COVID ... breath or pleuritic chest ... #clinical #lung ... #ultrasound #pulmonary
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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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result in decreased lung ... - Emphysema - Lung ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential #
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
with possible COVID ... evaluation - Chest ... X-ray - Lung ultrasound ... Nasopharyngeal PCR for COVID ... - CBC with differential
COVID-19 on Lung POCUS

Day 4 after COVID diagnosis. More cough & tiredness (very badly), still no
COVID-19 on Lung ... Day 4 after COVID ... still no dyspnea/chest ... #clinical #lung ... #ultrasound #pulmonary
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Posterior Mediastinal Mass - Differential Diagnosis
 • Neurofibroma
 • Neurosarcoma
 • Neuroblastoma
 • Ganglioneuroma
 • Meningocele
Mediastinal Mass - Differential ... • Small cell lung ... Mediastinal #Mass #Differential ... #Diagnosis #pulmonary ... #radiology #chest
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... • Interstitial lung ... disease • Pulmonary ... Abnormalities • Chest ... Hypoxemia #Hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Embolism, Obstructive Lung ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... Bronchospasm, Pulmonary ... (JVP, edema), Lung ... POCUS (B-lines, lung ... STAT CXR, CTA Chest