20 results
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
Comet Tail Sign ... • DDx: Rounded atelectasis ... #Comet #Tail #Sign ... #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 ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... non-obstructive atelectasis ... #Bronchogram #Sign ... #diagnosis #radiology ... #clinical
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... → no signs of CXR
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
excludes other differentials ... that’s called “clinical ... ’s called Frog sign ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
a patient with signs ... of CHF. ... #Clinical #Radiology ... #CXR #CHF #Pleural
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
he CT shows a lesion ... the top of their differential ... the comet tail sign ... #Clinical #Radiology ... #CometTail #Sign
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... bronchiectasis, CF ... #Tram #Track #Sign ... #diagnosis #radiology ... #clinical
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
There is an atelectasis ... the luft sichel sign ... #Clinical #Radiology ... #CXR #Lateral # ... Collapse #Luftsichel #Sign
The findings are:
 - Large density on the left with loss of cardiac silhouette.
 - High
indicate a total atelectasis ... probably partial atelectasis ... #Clinical #Radiology ... #CXR #Lateral # ... Collapse #Luftsichel #Sign