HRT could be quantification expressed by two parameters, the two parameters are TO and TS.
Ventricular premature beat causes artery blood pressure brief foul-up. When the adjustable
function is natural, this transitory change will be represented by the form of HRT immediately;
when the adjustable function is injured, the change will weaken or disappear (as Fig.6-26).
Fig.6-26
The position marked "HRT beginning" is the beginning position of wave that satisfies HRT
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