Doppler flow - Study guides, Class notes & Summaries

Which of the following conditions requires immediate communication of the results to the radiologist? A. placental abruption and gastroschisis B. renal agenesis and ompahlocele C. premature rupture of membranes and placental abruption D. renal agenesis, premature rupture of membranes, and placental abruption - C Fetal lung volumetry performed with 3D sonography should be used to help diagnose: A. skeletal dysplasia B. fetal asphyxia C. fetal respiratory failure D. diaphragmatic hernia -...

The direction of the Doppler shift determines: A. the peak velocity of the flow B. the color Doppler hue C. the average velocity of the flow D. the color Doppler luminance -answer- B. the color Doppler hue Color Hue - perceived color used to demonstrate direction (red and blue or positive and negative shift) What is the primary factor that determines the resistance characteristics of the arterial signal displayed by PW Doppler? A. vessel course and location B. branch number C. part it...

C - Answer- What is dynamic aperture? A.aperture that varies with transmit frequency B.aperture that decreases as a function of time C.aperture that increases with increasing focal length D.aperture that changes as a function of frame rate A - Answer- to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed B - Answer- which imaging mode requires a broadband transducer? A.continuous wave doppler B.Pulsed wave dopple...

Which is the following is the typical treatment for advanced pericarditis? a. thoracentesis b. stent placement c. heart transplant d. pericardectomy - Answer-d When recording flow velocity on the LVOT, the: a. PW Doppler cursor should be placed distal to the aortic valve closure b. CW doppler should be placed parallel to the aortic valve closure c. CW doppler should be placed perpendicular to the aortic valve closure d. PW Doppler cursor should be placed proximal to the aortic valve c...

CCI RVS Exam Review| Questions and Verified Answers| 100% Correct- Grade A (2024/ 2025 Update) Q: The splenic common hepatic and left gastric arteries arise from this abdominal artery: Answer: Celiac Trunk Q: The smallest vessels in the body are: Answer: capillaries Q: The term Tunica Intima denotes: Answer: The inner lining of the arterial wall Q: The layer of arterial or venous wall composed entirely of endothelial cells is the: Answer: Tunic...

C What is dynamic aperture? A.aperture that varies with transmit frequency B.aperture that decreases as a function of time C.aperture that increases with increasing focal length D.aperture that changes as a function of frame rate A to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed B which imaging mode requires a broadband transducer? A.continuous wave doppler B.Pulsed wave doppler C.color flow imaging D.harmo...

BSN 266 HESI Med Surg Practice Exam Version 1 (2024 / 2025 Update) Questions and Verified Answers with Rationales | 100% Correct | Grade A - Nightingale Q: The client admitted with peripheral vascular disease (PVD) asks the nurse why her legs hurt when she walks. The nurse bases a response on the knowledge that the main characteristic of PVD is: 1. Decreased blood flow. 2. Increased blood flow. 3. Slow blood flow. 4. Thrombus formation. Answer: 1 Decreased blood flow is a common characteristic o...

URR Echocardiography Questions and Answers Graded A+ Question: What is echocardiography used for in the assessment of heart function? Answer: Echocardiography is used to visualize and assess the heart's structure, function, and blood flow. It helps diagnose heart diseases, evaluate cardiac performance, and monitor the effects of treatments. Question: What are the main types of echocardiography? Answer: The main types of echocardiography are transthoracic echocardiography (TTE), ...

Which of the following is not a potential cause of artifact and diagnostic imaging? A. Operator error B. equipment malfunction C. Patient motion D. Ultrasound physics E. none of the above - ️️E. none of the above The four choices, A through D, represent the primary explanations of artifacts commonly seen in diagnostic ultrasound. What is the meaning of the term "analysis" in the context of spectral analysis of Doppler signals? A. Building a sophisticated signal from component...

Velocities are usually higher at the proximal anastomosis site of a _____ ______ ______ because the diameter of the graft increases distally - reversed in situ graft Why is there no aliasing on CW doppler - CW uses two elements to send and receive sound waves, PW only uses one What is true regarding compression techniques on a pseudo with a larger stalk - thrombin injection is more effective on pseudos with larger stalks than compressions compressions must be done in 10 1 minute intervals ...