Spi urr - Study guides, Class notes & Summaries

RVT URR Practice Test 1: QA, Safety, and SPI Exam Questions With Correct Answers. If a renal artery Doppler exam demonstrates normal flow, but stenosis is identified on angiography evaluation, the US results are described as: a.) False negative b.) False positive c.) True negative d.) True positive - answera.) False negative What information from an angiography report can be correlated with the ultrasound results? a.) Diameter stenosis b.) Areas of turbulent flow C.) Area stenosis D....

URR SPI Questions With Correct Answers. Give the correct units for each: circumference: area: volume: - answercircumference: cm area: cm squared (cm^2) volume: cm cubed (cm^3) when PRP increases, frame rate .... - answerincreases period X number of cycles in a pulse = - answerpulse duration 2D imaging is best when the beam is at a ___ degree angle to the structure - answer90 degree Doppler evaluation is best when the flow is at a ____ degree angle to the ultrasound beam (cursor) - an...

URR mock exam 1 SPI With Questions And 100% ALL CORRECT ANSWERS

RVT URR Practice Test 1: QA, Safety, and SPI (14%) correctly answered 2023If a renal artery Doppler exam demonstrates normal flow, but stenosis is identified on angiography evaluation, the US results are described as: a.) False negative b.) False positive c.) True negative d.) True positive a.) False negative What information from an angiography report can be correlated with the ultrasound results? a.) Diameter stenosis b.) Areas of turbulent flow C.) Area stenosis D.) Flow veloc...

If a renal artery Doppler exam demonstrates normal flow, but stenosis is identified on angiography evaluation, the US results are described as: a.) False negative b.) False positive c.) True negative d.) True positive CORRECT ANSWERS: a.) False negative What information from an angiography report can be correlated with the ultrasound results? a.) Diameter stenosis b.) Areas of turbulent flow C.) Area stenosis D.) Flow velocity CORRECT ANSWERS: a.) Diameter stenosis *Angiography ...

URR SPI questions answered correctly latest 2023what is an artifact echo that do not correspond actual with anatomy, not in right location, size or shape, Too bright or dark, missing from image completely. propagation artifacts occur due to bending (refraction), redirection (reflection) or reverberation of sound.` what is degraded in propagation artifacts lateral resolution reverberation is caused by repeated reflection of ultrasound back and forth between two closely sp...

Sensitivity CORRECT ANSWERS: ability of a test to detect disease when it IS present Specificity CORRECT ANSWERS: ability of a test to rule out disease when it is NOT present Positive Predictive Value (PPV) CORRECT ANSWERS: Calculates how often a positive study is correctly diagnosed: ability of an exam to predict the presence of disease (# true positive tests / total # positive tests) Negative Predictive Value (NPV) CORRECT ANSWERS: Calculates how often a negative study is correctly...

what is an artifact CORRECT ANSWERS: echo that do not correspond actual with anatomy, not in right location, size or shape, Too bright or dark, missing from image completely. propagation artifacts CORRECT ANSWERS: occur due to bending (refraction), redirection (reflection) or reverberation of sound.` what is degraded in propagation artifacts CORRECT ANSWERS: lateral resolution reverberation is CORRECT ANSWERS: caused by repeated reflection of ultrasound back and forth between two cl...

ARDMS RVT URR QA, SAFETY & SPI QUESTIONS WITH 100% CORRECT ANSWERS { GRADED A+} Which the following describes why there is no aliasing on CW doppler? A. the PW transducer uses a single element and the CW transducer uses two elements B. CW doppler does not require a sample volume to produce a doppler waveform C. CW doppler does not require beam steering to produce a doppler waveform D. CW probes are always lower frequency than PW probes - A. the PW tx uses a single element a...