48 results
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... vessel leading into a ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... surrounded by a ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CTAir surrounding ... a preexisting pulmonary ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... - Bilateral A-lines ... cases - Dynamic air ... severity Acute Respiratory ... #differential #
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... airspace within a ... #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 ... #CT #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
CT demonstrates ... abutting the pleura, air-bronchograms ... feeding vessel sign ... feeding vessel sign ... #CXR #CTChest #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Hypoventilation: CNS of Respiratory ... Left Shunt - Anatomic ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
normal - implying a ... hyperexpansion of the lungs ... due to air trapping ... Pulmonary #COPD ... #Paradoxical #Respiratory
Bronchus Sign on Chest CT
 • Airway leading directly to a peripheral lung nodule or mass
Bronchus Sign on ... Chest CT • Airway ... leading directly to a ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical