Related Essays

  • The Importance Of Medical Oncology

    This will result in a higher difference in resonance signals between different tissues, and hence the higher resolution MRI images (Hao, Ai et al. 2012). MR...

  • Nmr History

    As previously mentioned MRI is such a pioneering imaging technique it has aided in the diagnosis of early health conditions and aliments and helped to save m...

  • Magnetic Resonance Imaging

    Magnetic resonance imaging, also known as an MRI scan, is a type of scan that uses magnetic fields and radio wave energy to create images of the organs and t...

  • What To Do Before An MRI Scan

    It so happens, once in a few decades, that an invention comes along to change the shape of the world. We’re fortunate that the trend has continued in the f...

  • Nuclear Chemistry: The Magnetic Resonance Imaging

    Most of these machines are big, tube-shaped magnets. MRIs are preferred because they are fast, non-destructive, and a noninvasive way to look at one’s organs...

  • MRI And Its Effects On The Human Body

    They are both used in a similar way, to scan the body for broken bones, also to look through the body for tumours or cancerous cells. MRI’s doesn’t produce a...

  • Electromagnetic Waves Vs Mechanical Waves

    Firstly, its advantages include being safe and painless. Unlike X-ray, MRI scanners do not use ionizing radiation; instead they use magnetic fields and radio...

  • Radiation Capstone Case Study

    1.Magnetic resonance imaging uses the property of Nuclear Magnetic Resonance to take the image of nucleus has magnetization of its own and in MRI scanner pat...

  • Medical Imaging Analysis

    Image quality of the MRI varies significantly from X-ray imaging. Both the imaging techniques are highly sensitive to the tissue properties. MRI uses magnets...

  • Magnetic Resonance Imaging (MRI)

    Magnetic Resonance Imaging (MRI) Magnetic Resonance Imaging is also known as a ‘MRI’ is a strong imaging method used in the medical field. This method of i...

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/21

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

21 Cards in this Set

  • Front
  • Back
If nex/nsa is increased or decreased what happens to SNR and RESOLUTION ?
SNR and RESOLUTION follow whatever NEX/NSA does. i.e. if nex is increased; snr and resolution both increase. If nex decreases so does snr and resolution.
TR INCREASE = SNR ______?
INCREASES
TR DECREASES = SRN _____?
DECREASES
TE INCRESES = SNR _____?
DECREASES
TE DECREASES = SNR ____?
INCREASES
IF FOV INCREASES = SNR ____?
INCREASES
IF FOV DECREASES = SNR ___?
DECREASES
IF THE MATRIX INCREASES = SNR ___?
DECREASES
IF MATRIX DECREASES = SNR ____?
INCREASES
THE ONLY PARAMETER THAT CHANGES BOTH SNR AND RESOLUTION IN THE SAME DIRECTION IS ?
NEX -(THE NUMBER OF EXCITATION'S.)
IF SLICE THICKNESS INCREASES = SNR ____?
INCREASES
IF SLICE THICKNESS DECREASES = SNR ____?
DECREASES
IF THE RECIEVED BANDWIDTH INCREASES = SNR _____?
DECREASES
IF THE RECIEVED BANDWIDTH DECREASES = SNR _____?
INCREASES
SNR AND RESOLUTION ARE OPPOSITE FOR EVERY CHANGE IN PARAMETER EXCEPT WHEN CHANGING THE NEX/NSA. T or F ?
TRUE
If the SNR goes UP OR DOWN ; THE RESOLUTION GOES 1. ________; THE ONLY EXCEPTION IS FOR NEX CHANGES.
1. IN THE OPPOSITE WAY.
CHANGING THE NEX IS THE ONLY PARAMETER THAT CHANGES THE SNR AND RESOLUTION IN THE SAME DIRECTION. TRUE OR FALSE?
TRUE
SNR INCREASE = RESOLUTION ____?
DECREASE
SNR DECREASE = RESOLUTION _____?
INCREASE
NEX INCREASE = BOTH SNR AND RESOLUTION ____?
INCREASE
NEX DECREASE = BOTH SNR AND RESOLUTION
DECREASE.