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basic principles of echocardiography Questions with correct answers $14.49   Add to cart

Exam (elaborations)

basic principles of echocardiography Questions with correct answers

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  • Course
  • Echocardiography
  • Institution
  • Echocardiography

basic principles of echocardiography Questions with correct answers

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  • August 17, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Echocardiography
  • Echocardiography
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basic principles of echocardiography Questions with
correct answers
sound is the result of what Correct Answer-mechanical energy traveling
through matter as a wave


how are sound waves transmitted Correct Answer-as a series of
alternating pressure waves with high pressure and low pressure pulses


compression Correct Answer-high pressure areas
- where the particles have been squeezed together


rarefraction Correct Answer-the low pressure areas
- where the particles have been spread apart


sound frequency of audible sound waves Correct Answer-20 Hz to
20000 Hz


sound frequency of ultrasound waves Correct Answer-20 KHz


sound frequency of medical imaging Correct Answer-2-20 MHz


ultrasound waves of echo Correct Answer-propagate through body
tissues (1540 m/s) and fluids producing compression and rarefaction of
conducting medium

, a zone of compression and an adjacent zone of rarefaction constitute one
cycle of an ultrasound wave or wavelength


principles of echo Correct Answer-wavelength: distance covered by one
cycle


frame rate = number of updated images/s
frequency: number of cycles per unit time


high frequency of ultrasound Correct Answer-high resolution
low penetration


low frequency of ultrasound Correct Answer-low resoluon
higher penetration


resolution types of echo Correct Answer-axial resolution
lateral resolution
contrast resolution
temporal resolution


instrumentation and equipment of ultrasound Correct Answer-cardiac vs.
abdominal
sector transducer

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