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ARDMS Abdomen Ultra PASS review (Liver) 2024/2025 already graded A+
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ARDMS Abdomen Ultra PASS review (Liver) 2024/2025 already graded A+
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ARDMS Abdomen UltraPASS review(Liver)
normal liver CC and AP measurements - ANSCC 13.0-15.5cm
AP 11.3-12.6cm
connective tissue surrounding liver - ANSGlisson's Capsule
divides liver into sections based on main lobar fissure and vascular landmarks -
ANSCouinad's anatomy
tongue-like projection of RLL, more common in women - ANSReidel's lobe (normal variant)
landmarks used to divide RLL and LLL (4) - ANSMain lobar fissure
GB fossa (inferiorly)
IVC (posteriorly)
MHV (superiorly)
landmark used to divide anterior and posterior RLL (1) - ANSRHV
landmarks used to divide medial and lateral LLL (3) - ANSFalciform ligament
Ligamentum teres
LHV
landmarks used to divide LLL and caudate lobe (2) - ANSLigamentum Venosum
LPV
located on the posterior-superior surface of RLL, posterior to porta, between LV and IVC -
ANScaudate lobe
located on the posterior-inferior surface of LLL - ANSquadrate lobe
75% of blood supply to liver, contains 80% oxygen - ANSportal vein
porta hepatis contents - ANSMPV
PHA
CBD
portal vein walls - ANScontained within Glisson's capsule, bright, echogenic walls
portal triad - ANSPV
HA
BD
, formed by the splenic vein and SMV - ANSMPV
normal MPV diameter - ANS11-12mm
branches of the ____ supply the caudate lobe - ANSLPV
normal portal vein flow - ANSlow velocity, phasic, hepatopedal flow; mean velocity
14-18cm/s
hepatic artery origination and branching - ANSceliac trunk > CHA > PHA > R, Middle, and
LHA (after porta hepatis)
GDA arises from ___ - ANSceliac > CHA > GDA
CBD is formed by the... - ANSconfluence of the cystic duct and the common hepatic duct
hepatic vein walls - ANSnot contained within Glisson's capsule, do not have echogenic walls
(drain into IVC > RA of heart)
RHV located within... - ANSright intersegmental fissure
*divides ant/post RLL
MHV located within... - ANSmain lobar fissure
*divides RLL/LLL
LHV located within... - ANSleft intersegmental fissure
*divides medial/lateral LLL
HV flow - ANSlow velocity, hepatofugal flow (towards IVC), more pulsatile than PV because
of proximity to heart
primary fissure, divides RLL/LLL, extends from GB to porta hepatis - ANSmain lobar fissure
liver parenchyma appearance - ANSmoderate echogenicity, homogeneous
hepatomegaly measurement and additional assessments (3) - ANSmeasurement > 15.5cm
addtional sonographic signs:
1. RLL below inf pole of R kidney
2. posterior displacement of R kidney inf pole
3. rounded inf border of RLL
liver functions (8) - ANS1. bile formation
2. blood reservoir
3. heat production
4. lymph formation
5. detoxification and storage (glycogen amino acids, fat, Vit A, D, & B complex
6. aids in metabolism of carbs, lipids, and amino acids
7. reticulo-endothelial activities (ex. hematopoiesis)
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