Why the ‘golden hour’ is crucial to survive heart attacks

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By Chetana Belagere

Feb 05, 2024

While the exact cause of the heart attack of “Century Rider” Anil Kadsur is not immediately known, his death has put the focus on the first hour after the onset of a heart attack.

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Kadsur made the headlines after he took up the challenge of cycling 100 km daily for over 1,000 days, apparently without a break.

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Taking to X, Dr Deepak Krishnamurthy, an interventional cardiologist at Kauvery Hospital in Marathahalli, Bengaluru, reposted a previous post on the importance of the golden hour.

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“Appropriate action within the first 60 minutes of a heart attack can reverse its effects. This concept is extremely important to understand,” Dr Krishnamurthy said.

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“I do not know details of what exactly happened with the famous cyclist who died recently, I came across some details which I think are the main reasons for the incident,” he said.

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He explained further that Kadsur was up at 2.30 am daily and cycled from 3 am to 9 am, which Dr Krishnamurthy said, meant “lack of sleep/rest”.

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The 45-year-old trainer cycled 100 km per day, which the cardiologist termed “over-exertion”. Kadsur also refused to visit the hospital after developing chest discomfort.

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Citing studies, Dr Sudhir Kumar, a neurologist, said “Initially, there are benefits, but beyond a certain dose, there is a detrimental effect on health.”

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