A point of concurrency is a place where three or more, but at least three lines, rays, segments or planes intersect in one spot. If they do, then those lines are considered concurrent, or the the rays are considered concurrent. So let's look at two examples here.
Infant blood pressure varies depending on age and whether the baby is sleeping, awake, crying, etc. Here are some general guidelines: Less than 6 months - 85 (+/-10) over 46 (+/-9) Over 6 months - 93 (+/-14) over 55 (+/-9) By 12 months - 94 (+/-11) over 56 (+/-8) It is possible for infants to develop hypertension. The symptoms include feeding problems, lethargy, seizures, and mottling of the skin.
The blood pressure in the fetal aorta is approximately 30 mmHg at 20 weeks of gestation, and increases to ca 45 mmHg at 40 weeks of gestation. The fetal pulse pressure is ca 20 mmHg at 20 weeks of gestation, increasing to ca 30 mmHg at 40 weeks of gestation.