Lifestyle Health

Friday 15 December 2017

Mary, 22: 'A heart scan saved my life'

After her sister died suddenly aged 17, Mary McGuire found she had the same heart condition, writes Anita Guidera


Mary McGuire feels lucky to be alive. The 22-year-old media graduate from Limerick was just 12 years old when her eldest sister, Martina, died suddenly and inexplicably in her sleep.

But what Mary didn't know then was that she was suffering from the same rare genetic heart condition that had claimed her sister's life.

It was only when her first cousin Sarah (26) went into cardiac arrest in Australia nine years after Martina's death that Mary and other family members were tested and found to have Long QT Syndrome, an abnormality in the heart's electrical system, that had most likely claimed Martina's life.

Martina was 17 when she passed away in her sleep four days before she was due to collect her Leaving Certificate results.

"I remember Martina's death very well. We had been at the Dublin Horse Show on the Wednesday, Thursday and Friday. We got home on the Friday night at around 10pm. Martina had a part-time job in the Crescent Shopping Centre and was working on the Saturday morning.

"My Mam woke around 8am and went to wake her for work. She thought she was after sleeping in. We were all actually after sleeping in. She found her dead in her bed.

"The ambulance came and took her off but it was too late," she recalls.

The tragedy devastated the family. Martina, the eldest of three girls, had dreamed of becoming a primary-school teacher and her exam results four days later revealed that she had earned a place at Mary Immaculate College.

"It was a complete and utter shock to all of us. She was my big sister. She was the one I looked up to. I was quite babyish as a child and she was the one who always minded me.

"She was very kind and caring," says Mary. Most shocking of all was that Martina had shown no signs of being ill in the lead-up to her death.

"There were no outward clues to her being unwell – none at all. She had been looking forward to her Leaving results and to starting college," says Mary.

Even after the post-mortem the family remained in the dark as to what had been the cause of Martina's death.

Blissfully unaware that she too had inherited the syndrome, Mary took part in a skydive when she was 16 years old.

But everything changed in 2011 when Mary's first cousin Sarah McGuire (26) went into sudden cardiac arrest in Australia.

By this time, Mary was on a year's study leave in America at Frostburg State University in Maryland.

Sarah had phoned her mother after just arriving in Brisbane with her boyfriend. She complained of not feeling great. By the end of the phone call, she was struggling for breath and had collapsed into cardiac arrest.

She was clinically dead for six minutes, but thanks to the efforts of her boyfriend and a member of the hotel staff she was revived.

An anxious Mary awaited news in the United States.

"It was awful. I was frightened because I didn't know what was going on and naturally my parents were trying to protect me a little," she recalls.

As soon as Sarah was diagnosed with Long QT Syndrome, Mary's mother, long concerned about the cause of death of her eldest daughter, insisted that the whole family get screened.

Mary got screened in Maryland and was told she did not have the condition. But seven months later, she got screened again following a consultation in Heart House at the Mater Hospital and was diagnosed with the same condition.

Two of Sarah's sisters were also found to be carrying the gene for Long QT.

Mary and Sarah now wear tiny defibrillators the size of matchboxes which are attached to the heart and fitted beneath the skin. They are designed to monitor the heart rate and emit a shock if the rhythm becomes too fast.

"I got a real shock especially as I had been given the all-clear in America. The doctors said it wasn't serious enough to have a defibrillator but they recommended I get one fitted because of what happened to my sister. I didn't hesitate in case anything ever happened me, because it's not just me – it's my friends and family who would be affected," she says.

Apart from some minor changes in terms of medication and some fashion limitations, as well as having to avoid such extreme activities as skydiving, Mary has been delighted with the relief the defibrillator has brought her.

"Most definitely it has brought me relief. In the long run it's saving my life.

"It has made me see things more positively and to live every day as well as I can because you don't know what's around the corner.

"It has been life- changing for Sarah too," she says.

Irish Independent

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