ARDMS Abdomen Ultrasound Registry Review Exam Questions And Answers (Verified And Updated)
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ARDMS Breast Registry
ARDMS Abdomen Ultrasound Registry
Review Exam Questions And Answers
(Verified And Updated)
How many segments does the Couinaud system divide the liver into? - answerEight surgical
segments
What divides the right lobe of the liver into an anterior and posterior segment? - answerRight
hepatic v...
ARDMS Abdomen Ultrasound Registry Review Exam Questions And Answers (Verified And Up dated) How many segments does the Couinaud system divide the liver into? - answer✔✔Eight surgical segments What divides the right lobe of the liver into an anterior and posterior segment? - answer✔✔Right hepatic vein What vessel separates the right and left lobe? Where does it lie (fissure)? - answer✔✔Middle hepatic vein, which lies in the main lobar fissure LLL is divided into medial and lateral segments by: - answer✔✔Left hepatic vein The caudate lobe is separated from the LLL by which ligament? - answer✔✔ligamentum venosum Main portal vein is created by the merging of which two vessels? What is this area referred to as? - answer✔✔Superior mesenteric vein and splenic vein. Known as the splenic portal confluence What is the name of the capsule surrou nding the liver? - answer✔✔Glisson capsule Normal AP measurement of the MPV? - answer✔✔13mm or less What is an enlarged (>13mm) portal vein signify? - answer✔✔Portal hypertension Normal MPV flow? - answer✔✔Hepatopetal and monophasic w/ some respiratory var iation Where do the hepatic veins drain? - answer✔✔IVC These veins are considered both interlobar and intersegmental - answer✔✔hepatic veins. They are located between the segments and the lobes normal hepatic vein flow - answer✔✔-Hepatofugal - away from li ver -pulsatile, triphasic due to right atrial pressure changes -respiratory variation Narrowing or occlusion of the hepatic veins is indicative of: - answer✔✔Budd -Chiari syndrome The liver hilum is also know as - answer✔✔The porta hepatis flow pattern of the hepatic artery should be - answer✔✔low resistance since it is feeding the liver After birth the umbilical vein becomes - answer✔✔ligamentum teres aka round ligament -runs along with the falciform ligament -will usually be seen near left portal vein in left liver Where can the main lobar fissure be seen? - answer✔✔-in sag plane -will appear to connect the neck of the GB with the RPV -also separates right and left hepatic veins hepatic steatosis - answer✔✔fatty liver Causes of fatty liver disease - answer✔✔Fatty deposits within the hepatocytes. Once it becomes cirrhosis, it is non -reversible. 1. Alcoholic fatty liver disease 2. Non -alcoholic fatty liver disease: -obesity -starvation -chemotherapy -diabetes mellitus -hyperlipidemia -pregnancy -von Gierke disease (glycogen storage dx) -total parental nutrition -cystic fibrosis steatohepatitis - answer✔✔inflammation of the liver associated with fat precursor for chronic liver dx leading to fibrosis, cirrhosis, and HCC hepatomegaly size - answer✔✔>15cm need to correlate with clinical hx don't confused Riedel's lobe as hepatomegaly Fatty liver symptoms and labs - answer✔✔Symptoms: -usually asymptomatic Labs: -Increased LFTs (especially AST and ALT) Sono appearance of fatty liver dx and focal fatty infiltration - answer✔✔-Diffusely echogenic liver -Increased attenuation of sound beam -Walls of hepatic vasculature and diaphragm will not be easily imaged due to increased attenuation -Fatty changes will be diffuse or focal Focal fatty infiltration sono app: -hyperechoic area next to the GB, near the porta hep, or part of lobe may appear echogenic Focal fatty sparing sonographic appearance - answer✔✔-entire liver is involved with diffuse fatty infiltrat ion with certain areas spared -Area of sparing can look like a solid hypoechoic mass -Hypoechoic area will be near GB, porta hep, or entire lobe may be spared -Can appear to look like pericholecystic fluid Two most common types of hepatitis: - answer✔✔A an d B A: Fecal -oral route: contaminated water or food B: Contact with body fluids, mother -to-infant transmission, blood contact (IV drugs) Most common type of hepatitis in healthcare workers - answer✔✔Hep C -Spread by blood and body fluid contact Which typ e of hepatitis is the leading indication for liver transplantation in US? - answer✔✔Hepatitis C Wilson disease Hemochromatosis Autoimmune disorders Drugs All of the above can be causes for chronic ________ of the liver - answer✔✔Hepatitis What is Wilson disease? - answer✔✔-An inherited disorder that causes too much copper to accumulate in the liver, brain and other vital organs. -Also called hepatolenticular degeneration. -Causes fatty changes & fibrosis in the liver. Leads to chronic he patitis Trademark feature: Copper ring around iris What is hemochromatosis? - answer✔✔Iron overload disease resulting in abnormal deposition of iron Can lead to fatty changes and chronic hepatitis Clinical signs and symptoms of hepatitis - answer✔✔-Nono bstructive Jaundice (related to hep on a cellular level NOT biliary obstruction) -Hepatosplenomegaly -Dark urine -F/N/V -Elevated LFTs
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