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Questions and Answers
What should be assessed in a liver ultrasound?
Size, texture, vascularity, biliary tree, masses or collections
The common hepatic artery is a branch of the ______ artery.
celiac
The left branch of the portal vein divides early into segmental branches.
False
What supplies oxygen-rich blood to the liver?
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Match the hepatic veins with their anatomical positions:
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What is the recommended fasting time before a liver ultrasound?
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Study Notes
Liver Ultrasound Protocol
- Liver Assessment: Size, Texture, Vascularity, Biliary Tree, Masses or Collections.
Normal Liver by Ultrasound
- Left Portal Vein: Travels longer to the left before dividing into medial and lateral segmental branches.
- Right Portal Vein: Divides early into anterior and posterior segmental branches.
- Hepatic Artery: Branches off the celiac artery and supplies oxygen-rich blood to the liver.
- Proper Hepatic Artery: Enters the porta hepatis and splits into left and right hepatic arteries.
-
Hepatic Veins: Three main veins drain the liver, located between major hepatic segments.
- Middle Hepatic Vein: Between right and left lobes.
- Left Hepatic Vein: Between medial and lateral segments of the left lobe.
- Right Hepatic Vein: Between the anterior and posterior segments of the right lobe.
Diseased Liver by Ultrasound
- Hepatic Resection: Dividing the hepatic parenchyma to one side of the anatomic division helps reduce blood loss during resection.
Preparation for Ultrasound
- Fasting: 6 hours to reduce bowel gas and minimize gallbladder contraction.
Portal Vein
- Diameter: Not specified in text, but measurement is implied.
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Description
This quiz covers essential aspects of liver ultrasound protocols, including both normal and diseased liver assessments. It focuses on liver anatomy, vascular structures, and ultrasonic imaging techniques used in diagnostics. Perfect for medical students or professionals seeking to enhance their understanding of liver evaluations.
