8 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
There are about a dozen x-ray findings, but two of them are especially important: Loss of
about a dozen x-ray ... knob/aortic-pulmonary ... and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR
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
There are about a dozen x-ray findings, but two of them are especially important: Loss of
knob/aortic-pulmonary ... and the calcium sign ... positive calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... mycobacteria Treatment
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
the chest film (Table ... logical sequence of signs ... In daily clinical ... #Diagnosis #Radiology ... #Findings #Signs
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
determine if stress test ... Change in clinical ... risk (>5%): - Aortic ... unless prior heart/lung ... stratification #diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... (CXR), try rotating ... not seen on a CXR ... #Radiology #CTChest ... #Lung #Pulmonary