9 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
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
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Typical symptoms ... Less Typical Symptoms ... : weight gain, lung ... Chest x-ray: signs ... #management #cardiology
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Hypercortisolism - Diagnosis ... and/or MRI of the ... is suspected: chest ... x-ray and/or CT ... #signs #symptoms
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... pneumonia (PJP), MAI ... • CT: Halo sign ... Constitutional symptoms ... #differential #diagnosis
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
- Peripheral vascular ... one post op Cardiology ... X-ray: • Not ... unless prior heart/lung ... stratification #diagnosis
Aortic dissection on Cardiac CTA

This is a amazing gated CTA showing a real time cine clip
X-ray. ... made by a CT scan ... as well as an MRA ... CCTA #clinical #cardiology ... #radiology #aorta
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... structural and vascular ... wall, a chest x-ray ... #Radiology #CTChest ... #Lung #Pulmonary