What is Malignant Hyperthermia?

ST72 medical ID Dog tag

Malignant Hyperthermia (MH) is a life-threatening disorder affecting 1 in every 2,000 – 3,000 people. This primarily hereditary condition is considered a, “pharmacogenetic disorder of the skeletal muscle.” In layman’s terms, having MH means you are susceptible to having an MH crisis. According to the Malignant Hyperthermia Association of the United States, “The general signs of the MH crisis include increased heart rate, greatly increased body metabolism, muscle rigidity and/or fever that may exceed 110 degrees F along with muscle breakdown, derangements of body chemicals and increased acid content in the blood. Severe complications can include cardiac arrest, brain damage, internal bleeding or failure of other body systems. Thus, death, primarily due to a secondary cardiovascular collapse, can result.”

This extremely dangerous condition once had a mortality rate of 70-80%. After researchers identified that an MH crisis is typically triggered by anesthesia, the mortality rate decreased dramatically, now estimated at below 5%. Morbidity rates (the incidence of MH crisis in those with the condition) however, remain high, indicating a need for more testing, awareness, and medical personnel training.

If you are susceptible to Malignant Hyperthermia or have had an MH crisis, it is of the utmost importance that all medical personnel treating you know of your diagnosis. In the event that you are unable to advocate for yourself, a medical ID can communicate your most important information, including your MH diagnosis, allowing medical personnel to take the proper precautions, should anesthesia be necessary to your treatment.

What Do I Engrave On My Malignant Hyperthermia Medical ID?

When engraving a Malignant Hyperthermia medical alert bracelet, we recommend including your name, your diagnosis, any other conditions, and an ICE (in case of emergency) phone number.

JAMES BRYANT
MALIGNANT
HYPERTHERMIA
SULFA ALLERGY
ICE: 777-888-9999

Most of our custom-engravable medical ID jewelry allows for 20 characters per line. Sometimes people engrave, “Malig Hyperthermia” to fit this diagnosis all on one line rather than splitting it over two. However, on some pieces, we can fit Malignant Hyperthermia on one line.

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