Topic Index

Study MRI physics using interactive questions and answers. Choose a topic.

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Topic Index - h

• half Fourier, see partial Fourier
• halfscan, see partial Fourier
• Hall probe
  • how a gaussmeter works
• hearing protection
  • ear defenders
• heart valves
  • safe for MRI?
• heating
  • silicon chip implants
  • tattoos / make-up
  • temperature sensitive body parts
  • pulse sequence with most heating
  • reduction of
  • limits
• Helmholtz pair
  • creates B₀
• herringbone pattern, see RF noise spikes
• high pass filter
  • in k-space
• high-velocity signal loss
  • black blood in spin echo
• homogeneity
  • affected by close moving ferromagnetic objects
  • quoted in ppm
• humidity
  • and static electricity, RF spikes
• hydrogen
  • MRI signal from ¹H

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