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.
Many different conditions can cause fainting. These include heart problems such as irregular heart beats, seizures, low blood sugar (hypoglycemia), anemia (a deficiency in healthy oxygen carrying cells), and problems with how the nervous system (the body's system of nerves) regulates blood pressure.
The most common cause of fainting is a sudden loss of blood flowing to the brain. 1  This may be a result of any, or a combination of, the following: 2  A reduction in the amount of blood being pumped out of the heart. 3  Certain drugs such as digitalis, calcium channel blockers and others.