Blood pressure is governed by five elements--the strength of the heartbeat, the volume of blood, the viscosity of the blood, the resistance of the arterioles, and the elasticity of the arterial walls. An abnormality of any of these can cause the blood pressure to be too high or too low.
Depending on the complexity of the case a trial can last anywhere from one day to six months or longer. If you are asking how long a rape prosecution takes you are probably looking at 6 months to a couple of years.
going to trial expenses. v The Bee report found that death penalty cases were taking an average of two years from arraignment to verdict, three times longer than other cases. According to the Bee, the trials alone lasted an average of 79 days in death penalty cases, while non-death penalty trials lasted 15 days.