Fast resting pulse death risk link

by Keith -

PulseHaving a fast resting pulse rate, even if you are physically fit, increases death risk, according to a study.

Researchers found men with a “high end of normal” resting heart rate of 90 beats per minute had treble the death risk of others with much slower pulses.

The investigation, in the journal Heart, looked at nearly 3,000 middle-aged men from Denmark over a period of 16 years.

Experts say much more work is needed to confirm and understand the link.

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Rather than worrying about these findings, you’d be better off focusing on stopping smoking, maintaining healthy blood pressure and cholesterol levels, keeping active and watching your weight”

Doireann Maddock of the British Heart Foundation

They say it is difficult to draw firm conclusions because the study authors did not track the men’s fitness – instead they relied on medical records taken years before the research began.

Arguably, the men’s fitness could have deteriorated since and this could have influenced the study results.

Nonetheless, the study authors believe their work suggests that a fast resting pulse – taken when having been inactive for at least five minutes – is a risk factor in its own right, regardless of general physical fitness.

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Checking your pulse

  • You can check your pulse by counting how many times your heart beats in a minute
  • You can feel your pulse on the inside of your wrist or at the side of your neck
  • Most adults have a resting heart rate between 60 and 100 beats per minute
  • Generally, the fitter you are the lower your resting heart rate is likely to be
  • You can also check if your pulse is regular – an irregular pulse can be a sign of a heart rhythm problem called atrial fibrillation that is linked to stroke risk

And the higher the resting heart rate, the higher the risk of death.

Doctors already know that having an abnormally high resting heart rate – 100 bpm or more – can be risky and increases the likelihood of problems such as heart attack and stroke.

A fast resting heart rate also tends to go hand in hand with other cardiovascular risk factors, such as higher blood pressure and smoking.

In the study, the researchers tried to control for this.

As might be expected, men with slower heart rates tended to be fitter while many of those with higher resting heart rates were less physically fit and had other heart risk factors like high blood pressure.

After adjusting for this, the link between higher heart rates and increased death risk persisted.

Doireann Maddock of the British Heart Foundation said: “Despite this research, we don’t yet know for sure if an elevated resting heart rate is an independent risk factor for mortality.

Read the full story on the BBC Health website

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