Continuous wave doppler - Samenvattingen, Aantekeningen en Examens

According to the Bernoulli Principle, where will you find the lowest pressure in a vessel with stenosis? A. proximal to the stenosis B. distal to the stenosis C. in the collateral vessels D. at the site of stenosis D. at the site of stenosis Which of the following is a system adjustment that is made when changing from a lower extremity arterial exam to a lower extremity venous exam on the same patient? A. reverse the color display baseline B. decrease transducer frequency C. de...

The phenomenon of piezoelectricity was discovered by: -The Curie brothers -John Reid -Ian Donald -Wilhelm Roentgen - ACCURATE ANSWERS The Curie brothers Early sonographers were called: -Radiographers -Ultrasound technicians -Ultrasound technologists -Ultrasound technical specialists - ACCURATE ANSWERS Ultrasound technical specialists Who discovered X-ray? -John Reid -Martin Wilcox -George Ludwig -Wilhelm Roentgen - ACCURATE ANSWERS Wilhelm Roentgen In 1980, _____ shades of g...

LATEST VERSION 2024/25 What is dynamic aperture? to which acoustic variable is penetration depth inversely related? which imaging mode requires a broadband transducer? what is the doppler shift frequency? what is the potential effect of increasing the pulse repetition frequency(PRF)? what is an advantage of using pulsed wave doppler compared to continuous wave doppler? SPI (ARDMS A & B)

When transporting a patient with a urinary catheter the bag should always be: - Answer-Below the patients bladder A 52 year old woman develops a murmur after a myocardial infarction. What is the most likely etiology? - Answer-Ventricular Septal Defect How do you position a patient for using a PEDOF probe along the right sternal border? - Answer-Right lateral decubitus A patient with down syndrome (trisomy 21) is referred to your lab for an echo. Which of the following cardiac defects woul...

CCI RVS Exam (New 2024/ 2025) Questions and Verified Answers| 100%Correct A Grade. QUESTION In the US, the most common cause of portal hypertension is Answer: cirrhosis QUESTION The Splanchnic arteries are? And where do they supply blood? Answer: Celiac artery, SMA and IMA. They supply blood to the gut. QUESTION Define chronic mesenteric ischemia Answer: caused by inability of blood to reach the intestines due to stenosis or occlusion of the SMA, CA or IMA, postprandial abdomnal p...

Echo A Test 2 Exam Questions With Accurate Answers. Pulsed wave doppler - answerSteerable and superimposed on the 2-D and/or color flow image allowing us to acquire a very specific sample volume aliasing occurs in velocities over 2 m/sec - answerwhat is the downside to using pulsed wave doppler in Echo? Continuous Wave Doppler - answerSteerable and superimposed on the 2-D and/or color flow image capable of detecting low and High velocity flow valve areas pressure gradients regurgitant ...

Sonosim Focused Cardiac Ultrasound Part 1 Questions with Certified Solutions A Doppler shift occurs when the wave frequency sent out by a transducer differs from the one returning to the transducer after being reflected by moving blood cells. true Continuous-wave Doppler is not subject to the Nyquist limit. True Doppler-mode ultrasound can be used to determine which of the following parameters? all of the above (speed direction and presence) The right ventricular inflow tract view...

The mass you are imaging has a diameter of 35mm. This value can also be expressed as: A: 350 cm B: 0.35 cm C: 3.5 cm D: 35 m E: 3.5 m -answer C Which of the following are types of cavitation? A: Stable and Thermal B: In vivo and In vitro C: Transient and Stable D: Spatial and Transient -answer - C Which of the following displays the lowest intensity value in pulsed wave ultrasound? A: SPTP B: SAPA C: SPTA D: SATA -answer - D With a focused transducer, for which of the e...

SPI exam questions & answers 2024 which of the following is determined by the frequency of the voltage applied to the ultrasound system - continuous wave -pulsed wave -color doppler -power doppler - ANSWER-continuous wave the formula used to determine velocity, what is divided by time? -distance -friction -inertia -hydrostatic pressure - ANSWER-distance low-resistance waveforms display a slow upstroke in -systole -diastole -pulsatile -phasic - ANSWER-systole can compr...

What information does the Doppler shift furnish concerning the blood cells that produce it? - Ans - velocity The frequency of a pulsed Doppler wave is 6 MHz, and the PRF is 5 kHz. What is the maximum Doppler shift that can be recorded without aliasing? - Ans - 2.5 kHz When a reflector moves toward the transducer, what will happen to the reflected frequency? - Ans - increase Which of the following is not include in the information that is processed by a standard duplex ultrasound system? -...