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TRANSESOPHAGEAL ECHOCARDIOGRAPHY EXAM LATEST UPDATED
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TRANSESOPHAGEAL ECHOCARDIOGRAPHY EXAM LATEST UPDATED...
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TRANSESOPHAGEAL ECHOCARDIOGRAPHY EXAMLATEST UPDATED
What is echocardiography? - ANSWER The use of ultrasonography for visualizing
the heart
Aside from two-dimensional images, traditional echocardiography uses which two
modes? - ANSWER: M-mode and Doppler
What form of Doppler is used to image blood flow? - ANSWER Color Doppler
Which sort of doppler is used to determine the velocity of flowing blood? -
ANSWER: Continuous and pulsed wave Doppler.
What is the standard echocardiography also known as? - Answer: transthoracic
echocardiography (TTE)
How is a TTE performed? - ANSWER: The heart is imaged from the outside
through the chest wall.
The echocardiography probe is placed on the subject's chest wall, and pictures are
collected.
An echocardiogram needs the insertion of a specialized endoscope into the patient's
esophagus, which contains an echocardiography transducer. - ANSWER
Transesophageal
What cardiac structures are best visualized using a TEE? - Answer the aorta.
The pulmonary artery
The heart's valves
, The left atrium.
What intraoperative tests can be performed to obtain a full assessment of heart
function? - ANSWER TEE
True or False: Ultrasound is low-frequency mechanical vibrations - ANSWER
FALSE!!!
Ultrasound is high-frequency mechanical vibrations.
When subjected to an electric current, _______ crystals vibrate and create u/s.
Piezoelectric
Within the esophagus, u/s waves emitted by piezoelectric components are ____,
____, and ______.
Reflected
Scattered
The frequency of the crystals in TEE probes ranges from _____ to _____ MHZ -
ANSWER: 3.7 to 7 megahertz.
What are the four main u/s imaging techniques used? - Answer M-Mode
Two-dimensional (2D) imaging
Doppler exam.
Three-dimensional (3D) imaging
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