114 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... .2016.12.033 #Atoll ... #Reverse #Halo
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
Monod sign - Halo ... sign - Atoll sign ... (reverse-halo sign
Halo Sign in Basal Skull Fracture

Halo of lighter liquid around blood spot on the cloth indicates
Halo Sign in Basal ... Skull Fracture Halo ... JamesPowellMD #Halo
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
to transiently halt ... Diabetes Mellitus Half-and-Half
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... 1min_idconsult #Reverse #Halo
Basilar Skull Fracture
Fracture through petrous portion of temporal bone 
 - Periorbital ecchymosis 
 - Hemotympanum
Battles #Signs #Halo
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... Halo Sign 6.
One-and-a-Half Syndrome
1 - One eye cannot move AT ALL horizontally
1/2 - The other eye can only
One-and-a-Half Syndrome ... abduct (can do only half ... OneAndAHalf #One #Half
SARS-CoV-2 Estimated Aerosol and Surface Viability:
 - Aerosols: ≈3hrs post aerosolization (median half-life: 1.2 – 1.2hrs)
aerosolization (median half-life ... 2 – 3d (median half-life ... 2 – 3d (median half-life