ve never had them before), severe dizziness/faintness when standing up (vision goes black for 3-10 seconds), extremely high heart rate (had a 48 hour holter monitor test done, no
heart problems, just a
heart rate that goes up to 165 bpm just when standing up/walking to kitchen which is not a long walk, it is normal when sitting down), excessive sweating (although it IS summer), thirst and urination.