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.
US Airways. You're allowed 1 carry-on bag and 1 personal item. 1  Your carry-on bag can be up to 45 inches (22 x 14 x 9 in) or 115 centimeters (23 x 36 x 56 cm) including handles and wheels. 2  Your personal item needs to be smaller than your carry-on item and must fit under the seat in front of you.ou are allowed on carry on and one personal item (purse, briefcase, laptop). Your carry-on bag is fine if itâs within the following limits: 1  22 length x 14 width x 9 height (45 linear inches). 2  Maximum weight: 25 pounds (11.5 kg).