Hi. I Have Had Continuous Palpitations With Nausea And Headaches,

hi. i have had continuous palpitations with nausea and headaches, some tingling in the feet, cold and hot the last 3 days. I just went and had an ECG which said "borderline". I'm 58 years old, I smoke. The ECG results were vent rate 87bpm, PR into 150 ms, QRS dur 82ms, QT/QTS int 366/411ms, P/QRS/T axis 58/60/26, RV5/SV1 amp 1.395/ 0.615 mV, RV5+SV1 amp 2.010 mV. Sinus rhythm, minimal ST Depressions (0.025+) depression (V5, V6)