14 results
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 ... #ChestCT #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
infiltrate (e.g., CXR, CT ... , ultrasound) - ... symptoms (e.g., ... 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 ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
, Cryptococcal pneumonia ... • CT: Halo sign ... Constitutional symptoms ... Infections #HIV #AIDS ... #pulmonary #differential
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Definition: acute ischemic ... Clinical manifestations ... Temporal Doppler US : halo ... sign PET/CT:
McConnell's Sign on POCUS Echocardiogram (A4C)

A4c view; RV enlargement & hypokinesis with apical sparing ("McConnell Sign"
McConnell's Sign ... sparing ("McConnell Sign ... concerning for Pulmonary ... #McConnells #Sign ... #clinical #ultrasound
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
of the reversed halo ... sign (RHS). ... aspergillosis; AIS ... ; PZ, pulmonary ... #Radiology #RHS
Good example of 'shred sign' in a patient with fever, cough and shortness of breath. 

This
example of 'shred sign ... on CXR/CT imaging ... eabramsMD #Shred #sign ... #pneumonia #clinical ... #lung #pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
/lung sliding: Pulmonary ... edema, ARDS, interstitial ... partially seen shred sign ... #Lung #POCUS #clinical ... #ultrasound