Referring a patient who has had a suspected clinical MH reaction.
Any patient who is thought to have suffered a clinical episode of MH should be referred to the MH Investigation Unit (contact details). The referral letter needs to include full clinical details of the event, together with a copy of the anaesthetic chart and the results of relevant laboratory investigations

Referring a patient because of a family history of MH
Please include the names of any relatives who have been tested together with the relationship to your patient, so that the MH Unit can identify the correct family and advise accordingly. Where relatives have been investigated abroad please indicate where they were tested.

Referring a patient because of a suspected previous reaction in themselves or a family member.
Please include as much detail as possible of the clinical event, preferably by retrieving the original medical notes if available. Additional information such as approximate date of event, type of operation, date of birth, address at the time, name and address of hospital, what the patient/family were told is helpful. If the clinical event involves a history of post-operative pyrexia, it is extremely useful to try to determine the timing of the pyrexia in relation to the actual operative period. This is because a pyrexia that clearly occurred several hours after an apparently straightforward anaesthetic and immediate recovery room period is not indicative of MH