Resting heart rate of 114 in 28 yr old female

I'm really hoping you can give me some advice on whether I should see my doctor about this. I'm 28, female, and a student nurse, almost qualified. I have no health conditions that I know of, although I do smoke and my diet could be better. I sometimes feel light headed and dizzy but I have always assumed that's because I don't eat. I felt dizzy a few days ago but I was working a 13.5 day and all I'd eaten was a twix candy bar, about nine hours into a busy shift.My blood pressure is usually fine, heart rate usually normal. When I wake up my HR is usually around 58. However yesterday on shift I was messing around with some other nurses and we had a look what our oxygen saturations were using a sats probe which also measures HR. My sats were 100% but my heart rate was 118! It was 118 then dropped to 114, then dropped to 104. Before standing up I was sitting and writing at the nurses station. In our hospital a heart rate of 118 would mean we'd call the doctor for the patient. I'm apyrexial, all other observations are fine, so I am a bit worried.My question is should I see my doctor? There is a male nurse that I was working with that I find very attractive, although he is married, but that does not stop me from having a crush on him, and as I was messing around with him I thought maybe that's why my HR was high? When I got home that night I checked my HR and it was 68. I checked it manually before writing this email and it was 65. Should I see my doctor or assume the high HR was due to the male nurse?Any advice you have will be appreciated. Thank youKind regardsCharlotte
Hi Charlotte,
You (and most other students of medicine at one time or another) have tried to self-diagnose w/o either enough information or knowledge to interprete findings. You know much better than I whether this guy got your heart aflutter as opposed to PACS or atrial flutter. If it is your heart and not your hormones, it will happen again when he is not around as you have already observed! 
Btw, you have poor dietary habits, not to speak of smoking and will be eventually exposed to the consequences if you continue. As a nurse you should know better - optimal treatment doesn't only apply to your patients. A candy bar is not food and long hours/hard work mean you need optimal nutrition and heart healthy habits  as I am sure you already know:
By all means see your doctor, but I doubt his advice will be much different from mine.
Hope this helps,
Dr T


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