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Pulse transit time (PTT) is one of the physiological parameters that can be utilized to estimate arterial blood pressure (BP) non-invasively. However, the effects of successive exercises on the relationship between PTT and BP have not yet been studied systematically. This study examines the variation in PTT and BP on 15 healthy subjects after treadmill exercise. PTT-peak and PTT-foot, which represent...
Pulse transit time (PTT) is important in the study of arterial viscoelastic properties, wave reflections and sympathetic activities. PTT is usually defined as the time interval between the R-wave in the electrocardiogram (ECG) and a characteristic point in the photoplethysmogram. However, it was found that photoplethysmographic signals are affected by the contacting force between the photoplethysmographic...
Pulse transit time (PTT) is one of the important physiological parameters that can be utilized to predict arterial blood pressure for noninvasive diagnosis and monitoring of cardiovascular diseases. However, the effects of exercise on PTT have not yet been studied systematically. This study examines the change of PTT after treadmill exercise with 10 healthy subjects. PTT-peak and PTT-foot represent...
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