VCI — Visual Cardiography Index

Proton Alignment

Adjust B₀ to see alignment

B₀ Field Strength1.5T

Larmor Freq

63.9 MHz

Net M

25%

Precession

6.39 rev/s

Population Split

↑ 6

↓ 10

ParallelAnti-parallel

Larmor Equation

f = γ × B₀

63.87 = 42.58 × 1.5

Clinical Reference

Earth's field:~0.00005 T

Fridge magnet:~0.005 T

Clinical MRI:1.5 – 3.0 T

Research MRI:7.0 T

Sandbox Controls

Experiment with settings to see how physics principles manifest in different cardiac scenarios. Use Board Hard Mode in the sidebar to test your ability to diagnose artifacts without assistance.

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