In mathematics, a coefficient is a multiplicative factor in some term of a polynomial, a series or any expression; it is usually a number, but may be any expression. In the latter case, the variables appearing in the coefficients are often called parameters, and must be clearly distinguished from the other variables. For example, in.
Vasovagal syncope is a common cause of fainting. The vagus nerve is overstimulated and causes the body's blood vessels to dilate and the heart to slow down. This anti-adrenaline effect decreases the ability of the heart to pump blood upward to the brain against gravity. Without blood flow, the brain turns off.
hello everyone! Im wondering if anyone else has had this happen to them! So every now and then i start getting shortness of breath, to the point i can barely breath, then my heart starts racing and i can literally hear my heart beating very loudly, then i feel like im going to pass out! It happens when im standing, sitting, and laying down!