7 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... Pulmonary #diagnosis #radiology ... #clinical
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... Pulmonary #diagnosis #radiology ... #clinical
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Luftsichel Sign ... the collapse lung ... #Luftsichel #Sign ... #radiology #Chest ... #XRay #CXR
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Clinical manifestations ... Temporal Doppler US : halo ... sign PET/CT: ... Ophthalmology #Diagnosis #Algorithm
Figure of 3 Sign - Coarctation of the Aorta on Chest X-Ray

The figure of 3 sign
Figure of 3 Sign ... of 3 sign refers ... sign is absent. ... #XRay #clinical ... #radiology #pediatrics
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
history of: a) Ischemic ... event, follow ACC algorithm ... Change in clinical ... change CV risk Chest ... unless prior heart/lung
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... This patient’s clinical ... wall, a chest x-ray ... #Radiology #CTChest ... #Lung #Pulmonary