5 results
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
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. ... #radiology #CTChest ... #diagnosis
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
breathlessness (half-marathon ... ASA, Kussmaul's sign ... edema, and clear lungs ... #a4c #pocus #clinical ... #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Change in clinical ... one post op Cardiology ... unless prior heart/lung ... undergoing AAA or upper abdominal ... stratification #diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... This patient’s clinical ... consider intra-abdominal ... #Radiology #CTChest ... #Lung #Pulmonary