(CNN) A British woman has made a full recovery after suffering a six-hour cardiac arrest caused by severe hypothermia -- a condition that doctors say also saved her life.

Thirty four-year-old Audrey Schoeman was caught in a snowstorm while hiking in the Pyrenees mountain range in Spain on November 3, and her husband Rohan called the emergency services when she passed out, according to a statement from Vall d'Hebron Hospital in Barcelona.

"I thought she was dead," Rohan said in an interview with local broadcaster TV3.

"I was trying to feel for a pulse... I couldn't feel a breath, I couldn't feel a heartbeat."

Schoeman was taken to Vall d'Hebron, where doctor Jordi Riera was part of the team that treated her.

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