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 ... - Monod sign ... sign (reverse-halo ... - CT angiogram ... #ChestCT #CT #
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 ... instead of outward as ... associated with COPD ... #Hoovers #Sign #
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... CT • Central GGO ... consolidation • DDx: COP ... .2016.12.033 #Atoll #Reverse ... #Halo #Sign #CT
Kussmaul Breathing Pattern

Demonstration of Kussmaul breathing pattern seen here in Diabetic Ketoacidosis.  Initial pH was
Initial pH was 6.95 ... and glucose was ... associated with severe ... Pattern #Pulmonary #Sign
Kussmaul Breathing in Lactic Acidosis
Acute non-cardiopulmonary dyspnoea. 70 ys, DM, vomiting and URQ abdominal pain since
abdominal pain since 3 days ... On CT scan, abdominal ... BGA: severe lactic
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... on Chest CT • ... pna, pulm edema, severe ... #Bronchogram #Sign ... #CT #Lung #Pulmonary
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... Defined as a central ... @PulmPEEPs #Reverse ... #Halo #Sign #differential