3 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Halo #Sign #CT ... #diagnosis #radiology ... #clinical
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
disease b) CHF ... Change in clinical ... one post op Cardiology ... change CV risk Chest ... stratification #diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
of breath and chest ... a punch to the chest ... assault where a chest ... wall, a chest x-ray ... #Radiology #CTChest