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APD alternans

  1. Select [Time domain analysis] from the [Analyze] menu.
  2. Select “Mx” or “Rx” from “Mask”.
  3. Select “APDxx Alternans” from “Output type”.
  4. Select “Fmax2” or “Fmax” or “max (dF/dt)” from “Upstroke detection”.
  5. Specify “Decay level (%)”.
  6. Hold “Ctrl” key and drag mouse pointer to right to select time range of waveform. Then, click “CREATE MAPS”.
  7. Click “Auto” to automatically set display range. Change “Min” and “Max”, if needed.
  8. Select color map from “Pallete” and select “Black (or Colored)” from “Contour lines”. Adjust “Step”, if needed.