- Dizziness, pre-syncopal
- Syncope is fainting. Pre-syncope is before fainting, whed one is about to faint. Some symptoms of dizziness such as wooziness, feeling about to black out, and tunnel vision may be pre-syncopal and are due to insufficient blood flow to the brain. These symptoms are typically worse when standing, improve with lying down and may be experienced by healthy individuals who rise
Medical dictionary. 2011.