dye along a linear portion of the vessel. a. Discuss how blood flow velocity can be measured using approximations. b. Explain how the following factors affect the blood velocity and volume flow rate as well as

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Chapter1: The Human Body: An Orientation
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please do this typewritten so I will upvote and skip this if you already did this. the big number on the right is only for numbering. please do not mind that. thank you

1. X-ray Angiography and Blood Flow Measurement
X-ray flat panel detector
3 Captures X-rays passing through
the patient's body
X-ray tube assembly
2 Limits the X-ray beams to
the appropriate area
X-ray flat panel detector
11 Emits X-rays from
the X-ray tube
4 Processes the detected data into
an image with reduced noise
-X-ray
200
5 Displays the image on
the monitor in real time
**A
An important step in the diagnosis and treatment of vessel disease is the qualitative
assessment and quantitative measurement of blood flow through the diseased vessels and
surrounding areas. In X-ray angiography, standard x-ray images are acquired of the region of
interest following injection of an opaque contrast agent, which enters the bloodstream and permits
an accurate visual depiction of blood flow through vessels. Using X-ray angiography, blood flow
can be approximately measured by employing kinematics to describe the movement of contrast
dye along a linear portion of the vessel.
a. Discuss how blood flow velocity can be measured using approximations.
b. Explain how the following factors affect the blood velocity and volume flow rate as well as
potential risks for stroke:
i. the pulsatile nature of blood flow,
ii. elasticity of the wall of the blood vessels, and
iii. gradual narrowing and curvature of blood vessels.
Transcribed Image Text:1. X-ray Angiography and Blood Flow Measurement X-ray flat panel detector 3 Captures X-rays passing through the patient's body X-ray tube assembly 2 Limits the X-ray beams to the appropriate area X-ray flat panel detector 11 Emits X-rays from the X-ray tube 4 Processes the detected data into an image with reduced noise -X-ray 200 5 Displays the image on the monitor in real time **A An important step in the diagnosis and treatment of vessel disease is the qualitative assessment and quantitative measurement of blood flow through the diseased vessels and surrounding areas. In X-ray angiography, standard x-ray images are acquired of the region of interest following injection of an opaque contrast agent, which enters the bloodstream and permits an accurate visual depiction of blood flow through vessels. Using X-ray angiography, blood flow can be approximately measured by employing kinematics to describe the movement of contrast dye along a linear portion of the vessel. a. Discuss how blood flow velocity can be measured using approximations. b. Explain how the following factors affect the blood velocity and volume flow rate as well as potential risks for stroke: i. the pulsatile nature of blood flow, ii. elasticity of the wall of the blood vessels, and iii. gradual narrowing and curvature of blood vessels.
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