The adrenal glands are two glands that sit on top of your kidneys that are made up of two distinct parts. 1  The adrenal cortexâthe outer part of the glandâproduces hormones that are vital to life, such as cortisol (which helps regulate metabolism and helps your body respond to stress) and aldosterone (which helps control blood pressure).
There are many possibilities. Some of them include: A) Diseases of heart have to be ruled out, e.g. problems with heart muscle or heart valves are a common cause of both PAC's and PVC's. B) Systemic causes (not related to heart) have to be considered also, e.g. anemia, thyroid overactivity. C) Autonomic and neuro-cardiogenic causes can also have same manifestation, e.g. increase in heart rate with standing because of drop in BP.
Causes. Some causes of acquired CP are: 1  InfectionâInfections of the brain, for example, meningitis or encephalitis during infancy. 2  Injury âInjuries to the brain, for example, head injuries caused by motor vehicle crashes or child abuse.here are several possible causes of the abnormal development or damage. People used to think that CP was mainly caused by lack of oxygen during the birth process. Now, scientists think that this causes only a small number of CP cases.