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As always, our MH Hotline is available 24/7 in the event of an MH crisis. 1-800-644-9737


Click links below to get answers within 24 - 48 hours.

Malignant Hyperthermia Association of the United States (MHAUS)
Post Office Box 1069
Sherburne, New York 13460
Phone: +1-607-674-7901
Fax: +1-607-674-7910

Patients and Families



Lydia Friedman
Patient Liaison

Click here to ask Lydia Friedman, of the Patient Liaison Committee, questions about what Malignant Hyperthermia is, getting help from doctors, testing, triggering agents, and what to do next.

Healthcare Professionals



MH Experts

Click here (for healthcare professionals only) to ask an MH consultant about recognizing, diagnosing, and treating MH; preparing for surgery; related questions. 

Administrative Staff

Gloria Artist
Hotline Coordinator


Gloria has lived in Upstate NY all her life. She retired from Procter & Gamble in 2002 after 28 years as supervisor of Telecommunication. Gloria joined MHAUS in 2003 as Hotline Coordinator. She works with 32 volunteer anesthesiologists to make sure they are available to cover the 24/7 MH hotline on a monthly basis. Gloria enjoys working for MHAUS because she is given the opportunity to work with medical professionals which has been very enlightening and beneficial. 

Click here to ask Gloria about scheduling MH Mock Drill Calls (Available for purchase on our online store - please allow AT LEAST two weeks for scheduling) and MH Hotline operations. 


Dianne Daugherty
Executive Director

Dianne moved to Upstate New York from the Upper Peninsula of Michigan in 1973. She spent 14 years at Procter & Gamble Pharmaceuticals located in Norwich, NY where she gained experience in Marketing, Executive Administration, and Manufacturing Administration. She began her career with MHAUS in April of 1999 as a part time hotline coordinator. She became Executive Director just three years later, in 2002. When asked why she enjoys working for MHAUS, Dianne stated "The ability I am given to work with truly amazing MH experts who volunteer their time is one of the most positive things I have ever experienced. The efforts of all involved with MHAUS WILL SAVE LIVES, which verifies for me that I am in the right place, doing the right thing!"

Click here to ask Dianne about day-to-day operations.  



Fay Viera
Fulfillment Coordinator


Fay moved to Upstate NY with her family from East Freetown, MA in 1993. After she graduated high school, she opened a daycare that she ran for seven years while attending night classes. Fay began working for MHAUS in 2002. Fay stated that she enjoys working for MHAUS because she enjoys speaking with the many medical professionals that care about the safety of their patients as well as speaking with patients that need someone to listen to and help guide them through their journey of being MH susceptible. Fay has three children and she enjoys spending time with her family in her free time. 

Click here to ask Fay about invoice/order status, products, registration, and W-9.




Click here to ask our bookkeeper about accounts payable and receivable. 


MHAUS Membership


Click here to ask MHAUS Membership about membership options, membership renewal, and questions about your member profile. 



Tina Roalef
Projects Coordinator


Tina has lived in Upstate NY all of her adult life. She has worked in customer service and office roles since early in her teenage years. She worked in two local medical offices as an Office Administrator and then as an Administrative Assistant for a large nonprofit organization that serves individuals with disabilities. Tina began working at MHAUS in early 2015 as Projects Coordinator. In early 2016, she graduated college with her Associates Degree in Human Services Management. In 2019, Tina achieved her Bachelor's degree Business Management with a certificate in digital marketing. She enjoys working for MHAUS because she is given the opportunity to help provide and coordinate potentially lifesaving services to healthcare professionals and patients. Tina has four children and in her free time, she enjoys spending time with her family, reading, music, and enjoying the outdoors. 

Click here to ask Tina about MH Prep Checks, program information, or project coordination.


MHAUS President


Dr. Henry Rosenberg
President of MHAUS


Click here to ask Dr. Henry Rosenberg about the board of directors.

North American MH Registry (NAMHR) of MHAUS


Nikolaus Gravenstein, MD
Director of NAMHR of MHAUS

Click here to ask Nikolaus Gravenstein, MD, Director of North American MH Registry of MHAUS about  MH testing, recovery after an MH episode, and MH research. 

Neuroleptic Malignant Syndrome

Stanley Caroff, MD
Director of NMSIS

Click here to ask Stanley Caroff, MD, Director of Neuroleptic Malignant Syndrome Information Service your question.

Professional Advisory Council Chairperson

Sheila Riazi, MSc, MD, FRCPC, Chair


Click here to ask Dr. Sheila Riazi about advancements in MH.

Local Awareness and Fundraising Efforts and Exercise for MH Month



Curt Keller

Click here to contact Curt Keller about raising awareness and funds for Malignant Hyperthermia in your area.

MH Hotline Consultant Committee Chairperson


Click here to ask about MH Hotline Consultants.

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