15 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
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
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... film and can suggest ... the diagnosis in ... #Clinical #Radiology ... #CXR #CTChest #
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
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
sign which consists ... may aid in the diagnosis ... CT angiography. ... #photo #CXR #EmergencyMedicine ... #CriticalCare #
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... be present on a chest ... computed tomographic (CT ... Definition #Criteria #Diagnosis ... #CriticalCare
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... Typical symptoms ... Less Typical Symptoms ... Chest x-ray: signs ... of CXR congestion
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
) - Diagnosis and ... Management Pneumonia Signs ... /Symptoms: • Confusion ... radiograph or CT ... Yield of blood CX
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation Symptoms ... Nasal polyps and signs ... parenchyma Diagnosis ... CT) • Broncho-arterial ... #differential #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • Pleuritic CP ... • CT: Halo sign ... Constitutional symptoms ... #differential #diagnosis