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Vascular Registry CCI Review WITH 100- SURE ANSWERS
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Vascular Registry CCI Review WITH 100- SURE ANSWERS
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EUNICEVascular Registry CCI Review WITH 100% SURE ANSWERS
Terms in this set (633)
Abdominal Aorta waveform(s) Low resistance proximal, Higher resistance beyond renals
Celiac Artery supplies Liver, spleen, stomach, & proximal small bowel
1st major-Celiac artery (trunk/axis)
2nd major-SMA
Branches of the Abdominal AO
Renals
3rd major-IMA (after renals)
Celiac Axis Branches into Common Hepatic (to right), Splenic, & Left Gastric (off left)
Common Hepatic Arteries Gives rise to the Gastroduodenal artery in PANC head & divides into Rt & Lt Hepatics
Splenic Artery Branches left and posteriosuperior to PANC body/tail
SMA/IMA waveforms High resistance preprandial/Low resistance postprandial
SMA supplies Bowel from duodenum to prox small bowel
IMA supplies Bowel descending & rectosigmoid colon
Right Renal Artery Branches anterolateral, posterior to IVC
Left Renal Artery Branches posterolateral
Renal Artery waveform Low resistance
Portal vein is usually formed by the SMV & Splenic veins
confluence of *It also receives blood from the inferior mesenteric, gastric, and cystic veins
Portals walls/waveforma echogenic walls & phasic waveforms
Renal veins are formed by renal tributaries
Left Renal Vein Longer than Rt.; Receives suprarenal/Gonadal vein
Left Renal pathway Anterior to AO; Posterior to SMA
Right Renal Vein No tributaries; shorter
Hepatic Veins Hepatofugal flow; from liver to IVC
Patient status for Abdominal Vascular NPO 8-12 hours
Imaging
1/5
, Local diameter increase with small bulge
Ectasia
(20% increase for Ao <3cm)
AAA growth rate 1-2mm/year until 3-4cm; 5 mm/yr >4cm
Aneurysm classification 2-3cm; 3-4cm for AAA
AAA Intervention 5.5cm (high risk for rupture-catastrophic)
Fusiform Concentric enlargement; All 3 layers intact
Eccentric enlargement; All 3 layers compromised; Less common (<1%); Usually in
Saccular
Thoracic Ao
1- Cannula Placement
2- Mycotic aneurysm (bacterial infection Ao wall)
Types of Saccular AAA
3-Vasculitis (Inflammatory process)
4-Penetrating ulcer rupture into media
Inflammatory process in wall of Ao beginning with outer (adventitia) layer and
Vasculitis/Aortitis
moving inward; ie: Takayasu's
Intimal wall compromised resulting in 2 lumens
Dissection
false>true; flow reversal
Type 1 (a/b) endoleak Leak in anastamosis of graft at (a) prox or (b) distal end
Aorta branch vessel; exhibits retrograde flow; more dangerous b/c internally
Type 2 endoleak
bleeding
Type 3/4 endoleak (3) Junction of modular components; (4) Trans graft flow-graft defect
"Fear of Food" 95% of Bowel Ischemia cases
Chronic Mesenteric Ischemia Atherosclerotic stenosis/occlusion in main mesenteric arteries: >70% stenosis in 2/3
of principle mesenteric arteries
Celiac >200cm/s
Ischemia diagnosis criteria via Moneta
SMA >275cm/s
Median Arcuate Ligament Syndrome Arch impedes on Celiac during EXPIRATION (non-compressed during inhalation)
(MALS)
Measurement(s) of Splenic Vein 7-17 cm long; 5-10mm diameter
Portal vein diameter <13mm
Blood supply to liver 75% from Portal VEIN; 25% from Hepatic ARTERY
Portal vein carries _________ to the liver Nutrients
Hepatic artery carries ___________ to the liver Oxygen
Portal Hypertension Extrahepatic, Hyperdynamic, Intrahepatic (more common)
Prehepatic (Portal/splenic vein thrombus, Extrinsic compression of Potral vein)
Extrahepatic Portal HTN
Posthepatic (IVC/Hepatic vein obstruction)
Hyperdynamic Portal HTN AV malformation causing arterial portal fistulas
Presinusodial (less common)
Postsinusoidial (more common)
Intrahepatic (within liver)
Cirrhosis/Venoclusive disease
Small liver, large spleen, ascites
LaPlace's law Larger vessel radius, larger wall tension to compensate for extra pressure
Hydrostatic pressure Gravitational
Large vessels serve as Pressure reservoirs
2/5
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