My mother, 87 years old, was told she has rapid heart palpitations during the night according to the results of 24 hr heart monitor. She does not have shortness of breath, no pain at all. Is taking medicine for dizziness at times; one of her medications(Fluoxetine HCL 20 mg states it can cause dizziness. She has never had heart problems. Takes meds for high blood pressure, memory, and diabetes.