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WEST JORDAN — Six-year-old Kathryn O'Mara was doing what hundreds of girls do on school day mornings. But this time, while mom was grooming her hair, something unexpected happened: she fainted.

Of the 1525 patients with syncope 111 (7%) had hair-grooming as the cause. Of the 111 patients, 78% were girls. -Clinical Pediatrics (2009)

"When I got into the bathroom and mommy was doing my hair, I felt dizzy and I couldn't hold myself up anymore. So I had to just fall down," Kathryn said.

Fortunately, her mom, Maria O'Mara, was standing right behind her.

"I just saw her in the mirror," Maria said. "Her body just gave way. Her knees buckled right from under her. I was lucky I was right there. I was able to kind of grab her under her arms."

Kathryn didn't have a fever, she wasn't sick, and she had no history of fainting. Collapsing as she did came as a complete surprise.

"It was so strange to suddenly be looking at her, and her eyes rolled back," Maria said. "She wasn't unconscious for very long, but it was really unsettling."

Kathryn experienced what is called "Hair-grooming syncopy." While it sounds scary, it really isn't. In fact, this kind of syncopy — which simply means "fainting" — is common.

Types of Syncope (fainting) Vasovagal syncope Posture-related pooling of the circulating blood volume while sitting or standing for prolonged periods Unexpected minor trauma; the sight of blood or injury ("blood/injury syncope") Listening to a discussion of frightening or graphic subjects

Hair-groomer's syncope-brushing of one's hair

Stretch syncope- vigorous arching of the back and extending the neck while stretching

Micturition syncope- urination

Deglutition syncope- chewing food

Pediatric cardiologist Susan Etheridge with Primary Children's Medical Center said, "It's often when kids are getting their hair done, but I have had a few children where they're actually blow drying their hair with their arms above their head."

Etheridge says children and teens, mostly girls, are vulnerable because while their bodies are rapidly transitioning toward adulthood, the blood pressure remains in the "kid" stage. Blood tends to pool in the legs, leaving less in the core and in the brain.

"Hair grooming is usually after a shower, so they're hot," Etheridge says. They groom in the morning, so they probably haven't eaten or had anything to drink. That's why it would be more likely to happen during hair grooming than other parts of the day."

Preventive measures are simple: Young people should stay hydrated and they should eat an appropriate breakfast before grooming. It's better, Etheridge says, to groom in a room where the air is moving and, when possible, sit rather than stand.

Email: eyeates@ksl.com

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