The heart of the problem

It appears I have a heart problem. The above two screenshots kinda show my thought process this Sunday morning as I sat in my recliner and used my smartphone, which has a program called Samsung Health, and diagnosed myself with bradycardia symptoms. All I did was check my resting heart rate, which is slower than it should be. The lowest reading was 52 and the highest was 58, and that came after descending stairs and ascending with laundry, which should count as mild exertion. The lowest my heart rate should be is 60. There are cases when a healthy person may have a heart rate lower than 60 beats per minute, but those are usually extremely fit athletes who exhibit no symptoms of bradycardia. Unfortunately, I have all of the symptoms listed above and more. I know it's not wise to self-diagnose, especially after consulting the internet (!!), but why do we have this technology if we can't use it? After I ate more food and after my morning dose of caffeine apparently kic...