True/ False: Atherosclerosis is most common in renal artery disease
True. bilateral 30%
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15
what is the angle of insonation when doing doppler within the kidney?
0 degrees
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15
Renal artery disease is correctable with?
Treatment will control or cure Renovascular hypertension,
Retention of renal mass,
Stabilization of renal function
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15
PSV greater ____ cm/s and stenosis greater ___ % is flow reducing renal artery stenosis.
180cm/s and >60%
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15
what is renal-aortic ratio?
normal=< 3.5
occluded = kidney length <8cm
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15
Renal artery stenosis should be suspected with.....?
Sudden onset or worsening of chronic hypertension
Unexplained renal insufficiency or pulmonary edema
Hypertensive children
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15
spectral waveforms should be recorded from the level of ____ & ____.
celiac and SMA
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15
What are kidneys important landmarks?
Transpyloric plane
Located halfway between suprasternal notch and symphysis pubis
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15
With >80% stenosis, changes include
Delayed systolic upstroke
Loss of compliance peak
PSV decreased distally
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15
Compromised flow would result in length difference greater than ___ cm?
1 cm
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15
True/ False: Duplex ultrasound is used to detect renal artery stenosis,
*Provides anatomical as well as hemodynamic functional information
*Low cost wo risk of ionizing radiation or use of nephrotoxic contrast agents
True
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15
Aorta is evaluated in _______ plane, beginning at the level of _____ _______.