Non-vertiginous dizziness: Syncope Sudden transient LOC due to global cerebral HoTN Cardiac arrhythmias, AS, vasovagal, orthostatic HoTN, hyperventilation, metabolic causes (HoTN, med S/E, caffeine, nicotine) High mortality / Morbidity: CVA, AS, arrhythmias, high ICP If CPR or cardioversion required, then…