Chapter 9: Abdominal Vasculature Flashcards
The aorta originates in what part of the heart
Left ventricle
The celiac trunk branches into what three arteries
Splenic, common hepatic, and left gastric
The PSV range of the abdominal aorta is ______ cm/s
70-100
Suprarenal aorta has ______ resistance flow
Low
Infrarenal aorta has _____ resistance flow
High
The PSV range for the celiac artery is _______ cm/s
98-105 cm/s
The celiac artery has ____ resistance flow
Low
The common hepatic artery has _____ resistance flow
Low
The common iliac arteries have _____ resistance flow
High
The splenic artery has ____ resistance flow
Low
The PSV range for the SMA is ___cm/s
97-142 cm/s
Describe the resistance of the SMA flow before and after eating
Before eating-high
After eating- low
The renal arteries have ____ resistance flow
Low
Renal arteries arise just below the level of the _____
SMA
The right renal artery is much _____than the left
Longer
The inferior mesenteric artery supplies blood to what parts of the colon
Transverse colon
Descending colon
Rectum
The SMA provides blood to what organs
Small intestines
Some of the colon
Pancreas
List the normal diameter of the aorta for prox mid and distal
Prox 2.5 cm
Mid 2cm
Distal 1.8cm
The iliacs should measure _____ mm. Aneurysm is considered when they exceed __cm
8-10mm
>2cm = aneurysm
Describe a true aneurysm
All three vessel walls are involved
Most common
An abdominal aortic aneurysm is when the diameter exceeds
3cm
Most common location for an aortic aneurysm is _____
Infrarenal
What is a mycotic aneurysm
An aneurysm caused by infection
What is a fusiform aneurysm
The most common shape.
Looks like Daniel ancho de los dos lados
What is a saccular aneurysm
Sudden dilation of a vessel como un saco kind of
Looks like a pregnant woman de lado
What is the most common cause of aneurysms
Atherosclerosis
Abdominal Aortic aneurysms have been associated with that conditions
Marfan Syndrome
Syphilis
Hereditario
Infection
What are some complications of abdominal aortic aneurysms
Distal embolism
Infection
Dissection
Rupture
What does EVAR stand for
Endovascular aortic stent graft repair
An EVAR is delivered to the aorta by accessing which vessel
CFA
What is an endoleak
Failure of the graft to isolate the aneurysm from circulation.
Propensity to rupture
Flow within the aortic graft should have what kind of waveform
Triphasic
Describe an aortic dissection
Occurs when there is a separation of the wall layers causing intense chest pain
Intimal flap may be seen
Associated with Marfan syndrome
With an aortic dissection what are the symptoms
Chest pain, hypertension, abdominal pain, lower back pain and neurologic symptoms
Describe an abdominal aortic rupture
Te mueres literal
An aneurysm with adjacent hematoma confirms rupture
Pulsatile abdominal mass and bruit
An abdominal aortic rupture es más propenso a que pase when the aneurysm is >____ cm
7cm
What are the symptoms of an abdominal aortic rupture
Hypotension, lower extremity pain, back pain, abdominal pain, decreased hematocrit
What is a pseudoaneurysm
False aneurysm
Contained rupture of a vessel commonly found at the groin after catherization
What are the findings of a pseudoaneurysm
Pulsatile mass in the area, peri vascular hematoma connecting by a neck to the vessel, showing swirling blood (ying yang sign) and turbulent flow
IVC diameter should not exceed ___ cm
2.5
IVC may become narrowed with what syndrome
Budd chiari syndrome
Enlargement of hepatic veins and IVC is seen with what condition
Right sided heart failure
Left renal vein is much ______than the right
Longer
What is a retroaortic left renal vein variation
Left renal vein travels posterior to aorta in some people
The right gonadal vein connects to IVC directly, the left gonadal vein connects to ________ vein
Left renal
Renal veins have ___ velocity and ____ flow
Low velocity, continuous flow
What are common findings with iVC thrombosis
IVC enlargement, absence of flow, and material noted in lumen
IVC filter is also known as
Greenfield IVC filter
Tumors that infiltrate IVC are commonly associated with ______
Renal cell carcinoma, Wilms tumor, renal transitional cell carcinoma
Right sided heart failure is the most common cause of _______
IVC obstruction
The main portal vein is created by the union of which two veins
SMV and splenic vein
What is the portal splenic confluence
Junction of the splenic vein, SMV, And possibly inferior mesenteric vein
Normal flow in the main portal vein should be hepatopetal and monophasic. The portal vein should be less than ___mm in diameter
13
The splenic vein is located ______ to pancreas body and tail
Posterior
An arteriovenous fistula can result from
Puncture, trauma, or biopsy
What are arteriovenous malformations (AVMs)
Direct communications between arteries and veins
Can be congenital or caused by surgery malignancy or biopsy
Turbulent flow will be seen