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.
PACS has four main uses: 1  Hard copy replacement: PACS replaces hard-copy based means of managing medical images, such as film archives. 2  Remote access: It expands on the possibilities of conventional systems by providing capabilities of off-site viewing and reporting (distance education, telediagnosis).