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Table 1 Frequency bands used in analysis and their constituent frequencies (Herz)

From: Ultrasound entropy may be a new non-invasive measure of pre-clinical vascular damage in young hypertensive patients

Frequency Band Constituent
  Frequencies (Hz)
2 12.5-25
3 6.25-12.5
4 3.125-6.25
5 1.76-3.125
6 0.87-1.76
7 0.43-0.87