Thank you for posting your query at DoctorSpring.com
I can understand your problem.
You are suffering from nasal obstruction and nasal discharge from childhood. You
try to clear by blowing it down or sniffing and spitting it. Few day ago while
clearing you had pop sound and felt some electric activity.
Most likely you are suffering from rhinosinusitis(infection and inflammation of
mucosa of nose and sinuses). This may cause block in eustachean tube (tube
connecting ear and nose). So this eustachean tube dysfunction will causes pressure
change in middle part of ear with sniffing or clearig nose.And due to negative
pressure in middle ear your ear drum may move in and can produce this sound of pop
so this is the most likely possibility as you did not have any clear loss of
consciousness during episode, there are not much worrysome symptoms related to any
To confirm all this you need ent examination, a nasal endoscopic and ear
examination can be done.
To see details status of your sinuses a CT scan of paranasal sinuses can be done.
Once your diagnosis is confirmed it can be easily treated with course of nasal
spray and antihistamine medication including levocetrizine 5 mg once daily of
So at present you need not to be panic and can wait comoftable to see to ENT
specialist next week as your all parameters are normal except your pulse rate only
Hope this helps