A member asked:

If there is a family history of malignant hyperthermia, should i tell my doctor before surgery?

29 doctors weighed in across 7 answers
Dr. Swati Avashia answered

Specializes in Internal Medicine and Pediatrics

Yes: Malignant hyperthermia is inherited. You should tell the anesthesiologist prior to surgery.

Answered 4/27/2013

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Definitely!: Malignant hyperthermia is a dangerous reaction to specific anesthesia drugs including succinylcholine and the inhaled anesthesia gases. It can be fatal if not immediately recognized and treated. Patients who inherit this problem must tell all their doctors so that the triggering drugs can be avoided. Most of the intravenous anesthesia drugs are safe. Get a medicalert bracelet!

Answered 12/20/2012

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Absolutely yes: Malignant hypertheria is a rare but potentialyy catastrophic familial disorder that can be triggered by exposure to certain anesthetic agents. Any one with a known or suspected family history of mh should advise their physician before any surgery, no matter how minor. Specific tests can be ordered to confirm or rule out the disease. Specific anesthetic techniques can be employed in suspected cas.

Answered 9/28/2016

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Definitely!: Malignant hyperthermia is a very serious situation during anesthesia when not recognized resulting to death. Informing your anesthesiologist or nurse anesthetist is very critical, to avoid drugs that trigger this avoidable catastrophy.

Answered 11/8/2015

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Yes, absolutely: Malignant hyperthermia is a serious condition that, if not immediately recognized, is a life threatening condition. There is a treatment for it, but it must be administered immediately. The best cure is prevention. There is a genetic predisposition, so if you are aware of a family member who has it, let your anesthesiologist know.

Answered 10/3/2016

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YES!: You should definitely tell your doctors before surgery & discuss it with your family doctor. Many anesthetics such as inhalational gases and muscle paralytics can cause you to have extremely high fevers, increased heart rate, uncontrollable muscle contractions & could lead to death. This is dominantly inherited disorder. You may consider genetic testing and discussing it with family members.

Answered 6/18/2015

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Dr. Orrin Ailloni-Charas answered

Specializes in Anesthesiology

Yes, definitely. : It is helpful to know this before the day of surgery to plan accordingly, but can be done safely using non-triggering agents.

Answered 1/30/2019

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