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.
7. Overstimulation of the vagus nerve is the most common cause of fainting. If you tremble or get queasy at the sight of blood or while getting a flu shot, youâre not weak; youâre experiencing âvagal syncope.â Your body, responding to stress, overstimulates the vagus nerve, causing your blood pressure and heart rate to drop.