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. Author manuscript; available in PMC: 2010 Jan 22.
Published in final edited form as: Eur J Appl Physiol. 2009 Oct 14;108(1):15–29. doi: 10.1007/s00421-009-1243-y

Fig. 2.

Fig. 2

Parallelism between 24-h variations in sudden cardiac death (bottom) and the sensitivity of rate pressure product to everyday physical activities (top). Sudden cardiac death data redrawn from Muller (1999). The BP and heart rate data used to calculate rate pressure product were collected by Atkinson et al. (2009) with an ambulatory monitor on 440 patients attending a hypertension clinic. Activity was measured with a wrist accelerometer by Atkinson et al. (2009). A highly significant effect of time of day was found on RPP (P < 0.0005)