Dizziness is a general term that can describe a feeling associated with a number of other symptoms including vertigo, light headedness or just a sense of loss of balance. Each of these can be caused by different things.1  Vertigo: Vertigo is feeling a sense of spinning or motion when there is none.izziness is a general term that can describe a feeling associated with a number of other symptoms including vertigo, light headedness or just a sense of loss of balance. Each of these can be caused by different things.
Currently the basic rule is that carry on baggage must be no taller than 22 inches, no wider than 14 inches, and no deeper than 9 inches. In many cases, you'll also have to contend with limits on weight.
However, make sure your carry-on bag is of a size permitted by your airline. Dimensions vary from airline to airline. These two legacy carriers allow each passenger one carry-on bag, and one personal item. In both cases, the carry-on bag must be no larger than 22 inches long, 14 inches wide and 9 inches high. US Airways also stipulates a maximum weight of 40 lbs. Delta says the carry-on bag must fit easily into its carry-on baggage gauges, located close to airport check-in desks. The gauges' dimensions are those of the largest permitted carry-on bag. Personal items allowed in addition to a carry-on bag include a briefcase, purse, laptop bag, camera bag or diaper bag.