8 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 ... Vascular Enlargement ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Pericarditis - Definition and Diagnostic Criteria
Acute Pericarditis 
 • Inflammatory pericardial syndrome to be diagnosed with
) pericarditic chest ... imaging technique (CT ... CMR). ... pericarditis and a symptom-free ... #criteria #cardiology
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. ... #CriticalCare #Radiology ... #Cardiology #HamptonHump
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Typical symptoms ... Less Typical Symptoms ... Chest x-ray: signs ... of CXR congestion ... #management #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... V2 • Wellens sign ... pain • Wellens sign ... Equivalents #ECG #EKG #diagnosis ... #differential #cardiology
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
suspected) - CT ... chest; CT abdomen ... interventional radiology ... - Occurs after CAR-T ... Oncology #HemeOnc #Diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... structural and vascular ... x-ray (CXR), try ... not seen on a CXR ... #Radiology #CTChest