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.
This is impossible because you cannot pass out and suffocate. It feels like you can, because the mixture of oxygen and carbon dioxide in your bloodstream is out of proportion. That is why people feel weak, dizzy, lightheaded, and faint. Suffocation is not a possibility during a panic attack.