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.
If the syncope is prolonged, it can trigger a seizure. You may suffer from a simple fainting spell due to anxiety, fear, pain, intense emotional stress, hunger, or use of alcohol or drugs. Most people who suffer from simple fainting have no underlying heart or neurological (nerve or brain) problem.
This leads the blood vessels in your legs to widen, allowing excess blood to collect in your legs, which lowers your blood pressure. As a result, thereâs a sudden drop in blood flow to your brain, and that's what causes you to pass out. This kind of fainting is normally not a sign of something serious.