6 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... surrounded by a crescentic ... #diagnosis #radiology ... #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... consolidation or nodular ... #Sign #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
emboli usually present ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Change in clinical ... - Cataract Plan ... Recent PCI/stenting ... unless prior heart/lung ... stratification #diagnosis
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
features on the chest ... In daily clinical ... sometimes may not be present ... chronic obstructive lung ... #Diagnosis #Radiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... This patient’s clinical ... exam findings and clinical ... #Radiology #CTChest ... #Lung #Pulmonary