9 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
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... #Tram #Track #Sign ... #CT #Lung #Pulmonary ... #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
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
logical sequence of signs ... In daily clinical ... #Diagnosis #Radiology ... #CHF #CXR #Stages ... #Findings #Signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... lymphadenopathy, • Abdominal ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Small Bowel Obstruction
67 y/o M with PMH colon cancer s/p resection and colostomy, multiple SBO managed
diagnosis of SBO ... You do not see signs ... radiographs, 3.6 for CT ... , and 6.8 for MRI ... #Radiology #POCUS
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
of prior silent pulmonary ... organism (soap bubble sign ... present in only half ... #Brain #clinical ... #radiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... a chest x-ray (CXR ... consider intra-abdominal ... #Radiology #CTChest ... #Lung #Pulmonary