the implantation bleeding occurs in the moment when the fertilized egg gets implanted into the sensitive lining of the uterus similarly the length of the bleeding could also vary from one case to the other it is possible for the bleeding to be brief and hardly noticeable
Angiotensin is a peptide hormone that causes vasoconstriction and a subsequent increase in blood pressure. It is part of the renin-angiotensin system, which is a major target for drugs that lower blood pressure. Angiotensin also stimulates the release of aldosterone, another hormone, from the adrenal cortex.
Causes of takotsubo cardiomyopathy. Although the exact cause of the syndrome is not known, research suggests that the sudden release of stress hormones (norepinephrine, epinephrine, and dopamine) stuns the heart. Stunning the heart triggers changes in heart muscle cells and coronary blood vessels.