7 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. ... Patterns #Lung #Pulmonary ... #ChestCT #radiology
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Halo #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
The pulmonary vascular ... a significant reserve ... with old fims can ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Community Acquired Pneumonia (CAP) - Diagnosis and Management

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

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Blood cultures are positive ... Cerebral > Splenic, pulmonary ... nodes • Roth’s spots ... Endocarditis #diagnosis #management ... #cardiology
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
left decubitus position ... The following signs ... #Clinical #Radiology ... #CXR #CHF #Alveolar ... #Pulmonary #Edema
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Pertinent positives ... Vital signs: BP ... x-ray (CXR), try ... not seen on a CXR ... #Radiology #CTChest