The Raas system or the Renin-Angiotensin-Aldosterone system plays a central role in controlling the arterial blood pressure and the blood flow in the kidneys. It also maintains the glomerular filtration rate. The three major components in the Raas system are renin, angiotensin and aldosterone . The Raas system activates in the body when the heart becomes incapable to provide regular renal perfusion. It helps to compensate hypotension, hypovolemia and hyponatremia. The Raas system has various effects on the cardiovascular system. It contributes to cardiac remodeling and injury. The Raas system also leads to the retention of fluid and maladaptive vascular Continue reading...