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CCI RCS REGISTRY EXAM NEWEST 2025 ACTUAL
EXAM TEST BANK| COMPLETE 350 REAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+||
BRAND NEW!!
Which electrical pathway has the fastest intrinsic rate? - ANSWER - SA node
What is the absolute refractory state? - ANSWER - period when a muscle cell is not excitable; occurs from phase 1 into phase 3
What is a normal duration for the QRS complex? - ANSWER - 0.10 sec or 100 msec
This is known as the rubber band theory - ANSWER - Frank Starling Law
What occurs during preload? - ANSWER - Filling
What is occuring during afterload? - ANSWER - Resistance to eject blood out
Echo findings for preload: - ANSWER - dilatation
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Echo findings for afterload: - ANSWER - hypertrophy
Which study does not allow for the calculation of ejection fraction? - ANSWER - Chest x-ray
How do you eliminate aliasing on PW spectral doppler? - ANSWER - Switch to continuous wave doppler
NOTE: Increasing PRF will and switching to a lower frequency
transducer will reduce, but not fully eliminate
What does VTI x CSA equal? - ANSWER - Doppler stroke volume
What are the phases of the valsalva maneuver? - ANSWER - Strain and release
What occurs during the strain phase of valsalva maneuver? - ANSWER - Decreases venous return, SV and CO
What occurs during the release phase of valsalva maneuver? - ANSWER
- Increases venous return, CO and BP
What is the best cath technique for LV function? - ANSWER - LV angiogram
What is PCW measuring? - ANSWER - Left atrial pressure 2 / 4
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Where is the Swan-Ganz placed in the heart? - ANSWER - Right side
What catheter is used when measuring PCW (Left atrial pressure)? - ANSWER - Swan-Ganz
What type of gradient does cath lab use? - ANSWER - Peak-to-peak
In cath lab, to determine AS where are the catheters placed? - ANSWER
- One in the LV and one in the Ao OR one in the LV and "pulled back"
across the Ao Valve or one catheter with two separate sensors
What does low frequency mean? - ANSWER - better penetration
What does high frequency mean? - ANSWER - better resolution
Tissue harmonic imaging results in: - ANSWER - thicker valve leaflets
Apical swirling of echo contrast for LVO is caused by: - ANSWER -
High MI
What causes the attenuation of contrast? - ANSWER - Amount of contrast injected is too high or was injected too fast
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pg. 4 Sonographers should do peer to peer reviews how often for quality/technical review? - ANSWER - 2 times per month
Whose responsibility is it to obtain the informed consent prior to a TEE?
- ANSWER - Physician
A secondary finding in aortic stenosis is? - ANSWER - left ventricular hypertrophy
In aortic stenosis is pulse pressure wide or narrow? - ANSWER - Narrow (pulse pressure is the difference between systolic and diastolic pressures-- it is wide in AI and narrow in AS)
What is severe for aortic jet velocity? - ANSWER - Greater than or equal to 4
What is severe for the mean gradient when assessing AS? - ANSWER - Greater than or equal to 40
What is severe for AVA when assessing AS? - ANSWER - < 1.0
What is severe for indexed AVA when assessing for AS? - ANSWER - < 0.6
What is severe for dimensionless index (LVOT VTI & AoV VTI) when assessing for AS? - ANSWER - < 0.25
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