23 results
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
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
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... ., CXR, CT, ultrasound ... symptoms (e.g., ... chest pain) and signs ... #Pulmonolary
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... consolidation • DDx: COP ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Constitutional symptoms ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Differential/diagnosis ... RV, McConnell's sign ... Echocardiogram #A4c #clinical ... #cardiology #McConnells
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Clinical manifestations ... Increased ESR and/or CRP ... Temporal Doppler US : halo ... sign PET/CT: ... Ophthalmology #Diagnosis
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... of the reversed halo ... sign (RHS). ... #Diagnosis #Pulmonary ... #Radiology #RHS
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... Signs/Symptoms: ... radiograph or CT ... #CAP #Diagnosis ... Management #treatment #Pulmonary
Cryptogenic Organizing Pneumonia - Illness Script

PATHOPHYSIOLOGY: Unknown trigger, reversible inflammatory/fibroproliferative process. Polypoid fibroblastic aggregates that plug
Males=Females SIGNS ... /SYMPTOMS: • Acute ... misdiagnosed as CAP ... : Clinical diagnosis ... #pulmonary