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HomeAnswersAnesthesiologyendoscopyMy heart is beating faster after endoscopy using local anesthetic spray. Why?

Is a fast heartbeat common after an endoscopy?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

Dr. Divya Banu M

Published At July 14, 2019
Reviewed AtJune 3, 2024

Patient's Query

Hello doctor,

It was over two weeks ago I had my endoscopy. It was not sedated but they gave me the local anesthetic spray but after I had my endoscopy I feel like my heart is beating faster than normal and I feel like my nerves or you can say muscle are like twitching or throbbing and I went to some doctor and said I do not have toxicity but I got so curious if I actually have toxicity. So is it?

Hi,

Welcome to icliniq.com.

Local anesthesia toxicity can happen if the spray is used at high concentrations. Usually, they will have 10 percent Lignocaine spray. They can spray maximum 300 mg of drug but for your procedure, definetly they will use less, do not worry.

The other symptoms you had are because of your anxiety, stress because you are not sedated and you are just given local anesthesia, that is why and if toxicity happens, first you will have fits (seizures, numbness over the lips and around mouth).

Same symptoms don't mean you have the same problem. Consult a doctor now!

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Dr. Padala Balarama Reddy

Anesthesiology

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