1 Multiply the whole number by the denominator of the fraction. 2  If you are converting the number 4 1 / 2 to an improper fraction, you would first multiply the whole number 4 by the denominator of the fraction which is 2. 3  So, 4 x 2 = 8.
In the upper neck, faulty motion patterns can result in misinformation about body position and movement being communicated from the joints to the brain. This type of vertigo, called cervicogenic vertigo, is more likely to benefit from chiropractic manipulation.
Orthostasis means upright posture, and hypotension means low blood pressure. Thus, orthostatic hypotension consists of symptoms of dizziness, faintness or lightheadedness which appear only on standing, and which are caused by low blood pressure. Only rarely is spinning vertigo caused by orthostasis.