Dr. Priyanka Teckchandani @DrTeck
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GrepMed Pulmonary and Critical Care Editor - Academic Hospitalist UC Davis Medical Center Internal Medicine, Pulmonary and Critical Care Medicine Fellow UC Irvine ‘22
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CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... - Air Crescent sign ... - Monod sign ... - Halo sign - Atoll ... sign (reverse-halo
Pulmonary Ultrasound Signs

B Sign, B Line, Comets, A Lines, C Lines

#BSign #BLine #Comets #ALines #Clines #Pulmonary
Pulmonary Ultrasound Signs ... B Sign, B Line ... Lines, C Lines #BSign ... Lung #Ultrasound #Signs ... #Key #POCUS
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo ... #Sign #CT #Lung
D-Sign in a lady with Massive PE - The LV should always be round like a
D-Sign in a lady ... EM_RESUS #Clinical #POCUS ... Echocardiogram #PSAX #DSign
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
Hoover's Sign ... Hoover’s sign refers ... #Hoovers #Sign #
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... Atoll #Reverse #Halo ... #Sign #CT #Lung
Hoover's sign on Physical Exam
Paradoxical retraction of the lower intercostal spaces on inspiration
Pulmonary hyperinflation → flattening
Hoover's sign on ... Jcortesizaguirr #Hoovers #sign
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... Feeding #Vessel #Sign
Kussmaul Breathing Pattern

Demonstration of Kussmaul breathing pattern seen here in Diabetic Ketoacidosis.  Initial pH was
Pattern #Pulmonary #Sign
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... PulmPEEPs #Reverse #Halo ... #Sign #differential