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638580106
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© Epictura / asia11m
  • Id: 638580106
  • Media type: Photography
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In daily work, the horizontal 1 mm represents 40 ms of time in the small square of ECG. Therefore, the frequency of cardiac rhythm can be calculated by using the horizontal small square.

In daily work, the horizontal 1 mm represents 40 ms of time in the small square of ECG. Therefore, the frequency of cardiac rhythm can be calculated by using the horizontal small square.

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