11 results
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Pulmonary Diseases ... - Halo sign - ... Atoll sign (reverse-halo ... Lung #Signs #Pulmonary
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... Reverse Halo Sign ... Halo Sign 6. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... , Pulmonary embolism ... 1min_idconsult #Reverse #Halo ... #Sign #Infectious ... Differential #Diagnosis #pulmonary
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... .2016.12.033 #Halo ... #Sign #CT #Lung ... #Pulmonary #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
, Cryptococcal pneumonia ... Aspergillus Pneumonia ... • CT: Halo sign ... - 20% of pneumonias ... Infections #HIV #AIDS #pulmonary
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... infiltrate (e.g., CXR, CT ... procalcitonin) - Pulmonary ... chest pain) and signs ... #Pneumonia #Venn
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... CT • Central GGO ... Atoll #Reverse #Halo ... #Sign #CT #Lung ... #Pulmonary #diagnosis
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
of the reversed halo ... sign (RHS). ... OP, organising pneumonia ... ; PZ, pulmonary ... #Diagnosis #Pulmonary
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... • Vasculature: Pulmonary ... Cryptogenic organizing pneumonia ... PulmPEEPs #Reverse #Halo ... #Sign #differential
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Community Acquired Pneumonia ... Management Pneumonia ... Signs/Symptoms: ... radiograph or CT ... Management #treatment #Pulmonary