Thank you for waiting.
I understand your concern.
I am very sorry for your symptoms.
You are likely having premature or ectopic beats.
Usually these are harmless, if it is not in excessive numbers or without underlying heart disease.
Your BP & resting heart rate is fine.
Certain condition may predispose to it.
Anxiety is one of them.
As you are stressed, it is likely causing it.
Anxiety, stress need to be avoided.
I would advise to avoid caffeine, alcohol if you take any.
If the symptom continues, I would advise to take an examination by doctor.
An EKG or monitor can be taken.
You can do breathing exercise.
This would help to reduce stress & anxiety.
You can see this link on it.
I hope this information will be helpful.
If you have any query, please feel free to ask.
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If you are happy with my answer please click on 5 star rating so that I can get the credit for helping you.
Wish you a healthy life.