2 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... consolidation • DDx: COP ... #Reverse #Halo ... #Sign #CT #Lung
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
Hoover’s sign refers ... hyperexpansion of the lungs ... Pulmonary #COPD ... #PhysicalExam #Video ... #Clinical #Breathing