各位大夫，心率不齐竟然是好事？求点评

However, with recent advances in EKG technology, researchers have found a whole new way to look at the heart calledheart rate variability, a measure of the time gap between heartbeats.

What they found was startling...

The time between heartbeats (and we're talking milliseconds here) is not only inconsistent, but the degree to which they are inconsistent, the degree of their variability, can have huge implications for your health — and in a very surprising way.¹

Cardiologists have found that a high heart rate variability is actually a sign of good health.

Therefore, the more stable your heartbeat intervals are (the lower your variability is), the more worried you should be.

I was fortunate enough to attend a talk on heart rate variability (HRV) given by cardiologist Dr. Grayson Wheatley at the Ancestral Health Symposium this month. Among some of the key points in his talk:

• HRV decreases with age (which would make sense, as our health tends to decline with age).

• Athletes and other physically fit individuals tend to have a high HRV.

• Omega-3 fatty acids, the heart, and brain-healthy compounds found in things like salmon and flax seeds increase HRV

• Sleep affects HRV (good sleep raises it, bad sleep lowers it); in fact, a low HRV can predict a night of poor sleep.

• Low HRV is a sign of illness and disease (including diabetes, heart disease, and an increased risk of death).

Other health associations you should keep in mind: HRV decreases under stress and anxiety² and decreases in relation to daily anxiety. (This is mainly waking worry, but the effects can carry over and lower the HRV in sleep, too.)³ Just a few more reasons to learn how to relax!

If you're interested in measuring your own heart rate variability, there are two ways you can go about it...

First, you can request an EKG test from your doctor that will specifically measure your HRV.

The second option is to use an online app. I've found two options so far: ithlete andSweetBeat. In addition to downloading the software, you'll also need to order one of their heart monitor straps that go around your chest. 

所有跟帖： 

• 有意思，看来没啥机理上的解释。既然在现象上心跳变化率，越老越稳定，只有把低变化率当成不好了。搞不清的东西，越像年青时代越好。 -pichawxc- ♂ (0 bytes) () 01/21/2015 postreply 11:37:10