68 results
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CT • Air surrounding ... cavity • DDx: ... #Pulmonary #diagnosis ... #radiology #clinical
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
with Air-Fluid Level ... on Chest XRay ... and pleuritic chest ... #ChestXRay #Clinical ... #Pulmonary #Radiology
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... CT • Distinct pulmonary ... leading into a lung ... #Pulmonary #diagnosis ... #radiology #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... can suggest the diagnosis ... The chest film shows ... #Clinical #Radiology ... #SepticEmboli #Cavity
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
atelectasis • Lung ... fibrosis RR ... MG, ALS) • ↓ chest ... compliance (e.g., flail chest ... #differential #Diagnosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... sarcoidosis, mets to the lung ... Halo #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
replacing the air ... Even fibrosis as ... UIP, NSIP and long ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Assessment of Chest Tube Drains
Stepwise assessment of Chest Tube Function
TUBE POSITIONING
 • Look at the CXR:
cavity? ... injury to the lung ... large injury to lung ... ChestTube #Drains #Diagnosis ... #Assessment #Pulmonary
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... , like cyst, cavity ... we describe a chest ... #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Weakness, Loss of Chest ... Elasticity (flail chest ... Fibrosis, Interstitial ... #differential #diagnosis