Often times the difference can be the context in which the item is listed. Examples of the various categories are:
1.Lightheaded (ENT, CARDIO, or NEURO)
2.Syncope (ENT, CARDIO or NEURO)
3.Dizziness (ENT, CARDIO, OR NEURO)
4.Vertigo (ENT, CARDIO, OR NEURO)
5.Numbness/Tingling (NEURO)
6.Fainting,unconscious,passing out (CARDIO or NEURO)
See below for example:
Patient feels great, denies; chest pain, syncope, palpitations (Cardio)
Patient feels great, denies; dizziness, change in speech, paresthesia, syncope, changes in memory (Neuro)
Patient feels great, with the exception of left ear pain; denies dizziness or tinnitus (ENT)
Patient feels great, with the exception of hand numbness, denies; dizziness, difficulty in speaking, change in speech, loss of sensation, changes in memory (NEURO)
Hope this helps.