My life

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One night I was sleeping and after two hours of sleeping I woke up with a very intense fatigue on the left side and I got up very desperately, then I started to have tachycardia that reached up to 124 beats per minute, and symptoms such as difficulty breathing, headache, pain in the chest, and left arm and a lot of anxiety, I went to the doctor an electrophysiologist in that week and after several exams the doctor informed me that my problem is an unusual sinus tachycardia and that I would get treatment with ivabradine I have been taking since November last year, my symptoms have improved noticeably, however, as of the date I am going, I still have symptoms, especially breathing difficulties. If you have any questions let me know, maybe I can help you with my experience and you can help me