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.
The most common cause is a common faint, also called neurally mediated syncope (NMS). Common faints usually happen for the first time in teenage years and affect girls more than boys. In older people, fainting is more likely to be due to an underlying heart problem, low blood pressure or as a side-effect of medication. What problems can cause fainting? Here are some of the more common causes of faints: Common faint (NMS): this is also known as vasovagal syncope. It is the most common cause of fainting.