Chronobiological Analysis of Blood Pressure in a Patient with Atrial Fibrillation at the Development of Heart Failure and Its Therapeutic and Surgical Treatment

Figure 6

Main features of signal profile. Abscissa: time, ordinate: values of variable. 1: general mean level, 2: approximating curve (profile), 3: upper confidence limit of population, 4: mean level of night values, 5: lower confidence limit of population, 6: separate records, 7: Mean level of night values. Top: highest area of the process, Bottom: lowest area of the process, hill: intermediate elevation, pit: intermediate decrease. Red horizontal bars at those areas: confidence limits of their timing. Hills and tops are shown only if they are statistically significant comparing with the neighboring areas. Ovals include value of parameter and its confidence limits.