18 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CTSPN or mass ... #Halo #Sign #CT ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Flail Chest Breathing on Physical Exam
74 year-old male, fallen over in the garden. Four rib fractures.
Flail Chest Breathing ... chest, initially ... by CXR, so use CT ... #Chest #Breathing ... #PhysicalExam #
Flail Chest Breathing on Physical Exam
74 year-old male, fallen over in the garden. Four rib fractures.
Flail Chest Breathing ... chest, initially ... by CXR, so use CT ... #Chest #Breathing ... #PhysicalExam #
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
atelectasis • Lung ... MG, ALS) • ↓ chest ... compliance (e.g., flail ... chest, kyphoscoliosis ... Hypoxemia #Hypoxia #differential
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CTAir surrounding ... #Monod #Sign #CT ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... .2016.12.033 #Air ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Weakness, Loss of Chest ... Wall Elasticity (flail ... chest) • Low ... Hypoxia #hypoxemia #differential
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... .2016.12.033 #Air ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Corona Radiata (Sunburst sign) on Chest CT
 • SPN or mass, with spiculated and inegular margins
Sunburst sign) on Chest ... CTSPN or mass ... Sunburst #Sign #CT ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... disease: Pleuritic chest ... level seen • Chest ... CT Lung Abscess ... treatment until the chest