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Why Does Resting Heart Rate Fluctuate

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What Is Normal Resting Heart Rate Fluctuation

Why is My Resting Heart Rate Low?
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Over the course of a week my resting heart rate will vary from 68 to 65 and back usually in 1BPM steps over a couple of days. I was wondering what is concidered a normal range spread for resting HR?

Hi , welcome to the community! It depends but normal resting HR ranges from 60 to 100 beats a minute for adults

A lower heart rate while resting means a more efficient heart and better cardiovascular health. For example, an athlete might have a normal resting heart rate closer to 40 beats a minute.

Hi , well it really depends on a lot of factors. For example, do you exercise on a regular basis? Is your weight under control? I am usually on 70 when awake and doing some activity like cooking. If you have a concern about your heartrate I recommend checking with your doctor.

Thanks for the reply Tastybrew! Yes, it seems that RHR could be used to corrilate to a number of non-health but lifestyle issues in a helpful way. For example, I tend to let myself get dehydrated and this can go on for days. It seems when I let this happen my RHR gets higher over a few days. Other things like having a few or more beers can show up as higher RHR.

It would be interesting if one could start to pin down this cause – effect relationship to RHR and short term lifestyle choices.

09-22-201508:24 – edited 09-22-201508:24

Resting Heart Rate And Health

A relatively low resting heart rate is considered healthy, while a high resting heart rate may increase the risk of various conditions.

A lower heart rate allows the heart to maintain a healthful rhythm and respond to routine stressors efficiently. These may include exercise, illness, and day-to-day activities.

Having a relatively low heart rate is a significant contribution to overall health. An abnormally high heart rate can lead to a variety of health risks and conditions.

Complications associated with a high heart rate include:

  • low energy levels

Stress may cause a high heart rate.

Each heartbeat arises from specialized muscle cells called myocytes.

When these cells need more oxygen, as during exercise, the brain sends messages to the heart, causing myocytes to make stronger, more frequent pulses.

Everyone experiences sudden, temporary changes in their heart rate. They may be caused by:

Having a chronically high or abnormal heart rate is often a sign of an unhealthy lifestyle or an underlying medical condition.

Common long-term causes of a high heart rate include:

  • lack of exercise

Read Also: How Is A Heart Attack Treated

Can Resting Heart Rate Be Too Low

While less common, some people may have a resting heart rate that falls lower than 60 beats per minute.

“When a person’s heart muscle is in excellent condition, it doesn’t have to work as hard to keep a steady beat. Therefore, people who exercise frequently and are very physically fit can have a resting heart rate that falls below 60 beats per minute. In fact, a trained athlete’s resting heart rate can be as low as 40 beats per minute,” explains Dr. Chebrolu.

Additionally, medications, specifically beta blockers, can also slow your heart rate.

“The time to worry about a low heart rate is if you’re not very active and you’re not taking medications but your resting heart rate frequently falls below 60 beats per minute, especially if you’re also experiencing dizziness, shortness of breath or fainting,” warns Dr. Chebrolu. “This can be a sign of bradycardia a slower than normal heart rate that can lead to poor oxygen flow to your vital organs.”

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Can Resting Heart Rate Be Too High

Can resting heart rate be too high?

As mentioned, normal heart rate can range between 60 to 100 beats per minute. So, if your resting heart rate is consistently higher than 100, do you need to be worried?

The more beats your heart has to take on a regular basis, the more strain it places on your heart over time. A resting heart rate regularly above 100 beats per minute is called tachycardia, which can place you at an increased risk of heart disease, and even death if your heart rate climbs high enough, warns Dr. Chebrolu.

This means that its incredibly important to talk to your doctor if youre resting heart rate is consistently high. He or she can run the tests and bloodwork needed to assess your overall heart health.

Your doctor can also recommend lifestyle changes that may help lower your resting heart rate, including:

  • Getting regular exercise
  • Regularly practicing relaxation techniques, such as yoga and meditation
  • Losing excess weight
  • Maintaining healthy choices and modifying your cardiovascular risk factors
  • Avoiding certain prescription and over-the-counter medications that can affect your heart rate
  • Avoiding smoking and excessive alcohol use

In particular, starting an exercise program can help you decrease your resting heart rate up to one beat per minute for every week or so that you train with reductions in resting heart rate, over time, ranging from 10 to 12 beats per minute, adds Dr. Chebrolu.

At What Heart Rate Should You Go To The Hospital

Resting Heart rate  The daily variation  JUSTIN TIMMER

If youre sitting down and feeling calm, your heart shouldnt beat more than about 100 times per minute. A heartbeat thats faster than this, also called tachycardia, is a reason to come to the emergency department and get checked out. We often see patients whose hearts are beating 160 beats per minute or more.

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How Is Heart Rate Calculated

Heart rate measures the number of times the heart beats in a minute, generally expressed as beats per minute . Your bpm is calculated by observing the carotid pulse for 15 seconds and then multiplying by 4. A stadiometer can be also used to measure your heart rate.

For most people, a normal resting heart rate is between 60-100 bpm. In highly active people like athletes, a normal resting heart rate may be as low as 40 bpm. Your average resting heart rate can be measured in the morning after a nights sleep while youre still in bed and before youve had anything to eat or drink.

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Track And Measure Resting Heart Rate With Whoop

Your heart rate fluctuates constantly and increases with activity, so accurately monitoring RHR on your own can be quite difficult .

WHOOP measures your resting heart rate each night using a dynamic average weighted towards your last period of slow wave sleep, when your body is in its most restful state. This allows for as controlled and reliable a reading as possible. You can track your resting heart rate trends in the app, and note behaviors that may impact your RHR in the journal feature.

Additionally, WHOOP uses your resting heart rate to calculate your recovery each morningalmost like a daily weather forecast for your body.

Learn More:What Your Normal Vital Signs Mean

WHOOP is not a medical device, our products and services are not intended to diagnose illness or any other health problems, and should not be used as a substitute for professional medical advice, diagnosis or treatment.

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What Can I Do To Prevent Inappropriate Sinus Tachycardia

It may not be possible to prevent IST itself. If you have IST, staying away from triggers may help you avoid episodes of increased heart rate. Possible triggers include:

  • Caffeine
  • Illicit drugs
  • Anxiety-provoking situations

Heart disease can make symptoms of IST worse. Talk with your healthcare provider about ways you can prevent heart disease. These include:

  • Eating a heart-healthy diet

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What Are Heart Palpitations

Why does your resting heart rate decrease?

A heart palpitation is when you suddenly become aware of your heart beating, usually in an irregular way. Sometimes you can feel it in your ears or your chest when youre lying down. Your heart beat may feel:

  • too fast or slow
  • like its fluttering
  • like its thudding, or pounding.

It is not unusual to feel heart palpitations occasionally and mostly they are harmless. However if youre experiencing them on a regular basis, see your doctor.

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How Healthy Is Your Resting Heart Rate

Learn whats normal, whats not, and what could be throwing your resting heart rate out of whack.

Pulse taking is an ancient technique, dating back thousands of years, but these days youd almost never know it. Long gone are the days of placing two fingers against your neck while watching the clock. Now, measuring your resting heart rate is as easy as firing up a smartphone app or saying, Siri, whats my heart rate?

The ease at which you can detect your resting heart rate and track it over time has led to a sort of heart-rate renaissance among non-medical professionals, with everyone from health nuts to fitness fanatics trying to use it to their advantage. But the wealth of resting heart rate data available literally at your fingertips doesnt mean anything if you dont know how to interpret it.

Below, a primer that will help get you up to speed before you next doctors appointment.

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What Are The Treatment Options

Vagal Maneuvers

Your heartbeat is regulated by the vagal nerve. Maneuvers, which affect vagal nerve are heaving , coughing and putting an ice pack on your face.


You can take antiarrhythmic drugs either orally or get them injected. They make the heartbeat normal. The drugs are given in a hospital. The drugs that are available control heart rate restore normal rhythm of heart or do both. Sometimes, you may need more than one drug to control your tachycardia.


An electric shock is given to heart using patches or paddles. The electrical impulses of the heart are affected by this and this helps in restoring normal rhythm. This is done in hospital.

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Meditation And A Relaxation Technique To Lower Blood Pressure

Several practices that help calm the mind can also lower blood pressure. All are types of meditation, which use different methods to reach a state sometimes described as “thoughtful awareness” or “restful alertness.”

But while researchers are now beginning to better understand how these mental changes affect the cardiovascular system, studying meditation has proved somewhat challenging. For one thing, some studies don’t include a good control treatment to compare with meditation. Second, the people most likely to volunteer for a meditation study are often already sold on meditation’s benefits and so are more likely to report positive effects.

Still, a number of well-designed studies show that meditation can modestly lower blood pressure, according to an American Heart Association scientific statement published in the journal Hypertension.

A related technique, designed to evoke the so-called relaxation response, was developed by Dr. Herbert Benson, director emeritus of the Harvard-affiliated Benson-Henry Institute for Mind Body Medicine. The relaxation response is the opposite of the stress-induced fight-or-flight response. This self-induced quieting of brain activity has aspects of both transcendental meditation and mindfulness meditation.

Dr. Benson recommends practicing the relaxation response twice a day, for 10 to 20 minutes, similar to what other meditation experts recommend. Here’s how to do it.

Can I Change My Heart Rate

Lower Resting Heart Rate: 3 Proven Lifestyle Changes

More important than trying to reach a lower heart rate is just trying to do more of the things we know keep us healthy. Plenty of exercise , relaxation, a healthy diet, and keeping a careful eye on your blood pressure and waistline will all help.

Wearable devices are great at providing you with heart rates, but be aware theyre not always accurate, and if youre getting abnormal readings, particularly if you have symptoms, then you should see your doctor.

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How To Improve Resting Heart Rate

By far, the No. 1 thing to do for lowering resting heart rate is exercise. In particular, aerobic exercise like running or cycling will assist you in building cardiovascular strength.

Additionally, each of the behaviors below can help you decrease your RHR:

  • Limiting stimulants like caffeine and nicotine
  • Taking warm, calming showers or baths
  • Going for walks outside, ideally in nature
  • Relaxation exercises like guided breathing, meditation, stretching or yoga

In general, anything you can do to reduce stress and manage anxiety will benefit your resting heart rate.

How To Measure Your Heart Rate

You can take your own heart rate easily by putting a finger over your pulse at the wrist, inside of your elbow, side of your neck or top of your foot. Simply count the number of beats in 60 seconds .

To get the most accurate measure of your resting heart rate, follow these tips from Harvard Health Publishing:

  • Wait at least two hours after exercise or a stressful event
  • Wait at least an hour after having caffeine
  • Don’t measure when you’ve been sitting or standing for a long period of time

You can also monitor your heart rate throughout the day by wearing a fitness tracker, which may help you identify a fluctuating heart rate. But keep in mind that accuracy can vary in these products.

If you’re concerned that you might have an arrhythmia, the best way to know for sure is by visiting a cardiologist, who can use more sophisticated heart monitors and tools like an electrocardiogram to track of your heart’s activity.

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A ‘normal’ Resting Heart Rate May Not Be So Normal After All

ByJoshua A. Krischpublished 5 February 20

A study of more than 90,000 people with smartwatches reveals that resting heart rate can vary between individuals by up to 70 beats per minute.

Most healthy people experience little variation in their heart rates at rest, but a new study shows that normal resting heart rates can differ between individuals by an astonishing 70 beats per minute.

The findings challenge the conventional approach to taking this simple vital sign doctors typically check resting heart rate at every visit, but only to make sure it falls in a “normal” range. Instead, the new results suggest that monitoring how an individual’s resting heart rate fluctuates over time may tell physicians more about his or her health than comparing a snapshot of his or her heart rate to that of the general population.

“What is normal for you may be unusual for someone else and suggest an illness,” said study co-author Giorgio Quer of the Scripps Research Translational Institute in La Jolla, California. Viewing a person’s heart rate data over the long term “may prove to be a rich source of information” for evaluating their health, Quer said.

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Now, with the advent of smartwatches and fitness bands, it may be possible to track an individual’s resting heart rate over time and tailor its interpretation to that specific patient.

What Causes Fluctuations In Blood Pressure

How To Use Your Resting Heart Rate To Track Your Health

Your heart works to ensure that your five or so liters of blood continue to pump throughout your body. Blood pressure is the force that your blood exerts onto the walls of blood vessels, and doctors measure it to determine how healthy your blood vessels and heart are. It is normal to experience some variation in your blood pressure throughout the day, but extreme changes may indicate another issue that should be checked out. Most people won’t notice any symptoms with their fluctuating blood pressure, making it challenging to detect them. Here the article will help you find out if your blood pressure is swinging and what you can do.

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Your Blood Glucose Level Will Rise

This may seem wrong because wouldnt your body lose sugar if it doesnt have the stores to break it down? And wouldnt that mean that your blood sugar would go down?

Youd think so, but what actually happens when you fast, is that insulin levels start to drop, triggering a surge of hormones like including noradrenaline and growth hormone to fight against low blood sugar. This, in turn, concentrates the blood with sugar that it pulled from stored sugar that is usually in the liver.

Effect on HRV:

According to research, high blood glucose concentration is associated with higher parasympathetic, but lower sympathetic CAM. This means that your body is under more stress to perform its normal functions of the nervous system. If you were to measure these using biometrics, you would likely find your HRV to be on the lower level.

What Are The Symptoms Of Sudden Increase In Heart Rate

When the heart beats too quickly, it is not able to effectively pump blood to the other organs of your body. This may deprive the tissues and organs of your body of oxygen and may result in the following symptoms and signs related to tachycardia:

  • Lightheadedness
  • Heart palpitations, irregular, uncomfortable or racing heartbeat or flopping sensation in chest
  • Fainting or syncope

In some individuals, tachycardia may produce no symptoms and signs and the condition is discovered when a physical exam is conducted or during an electrocardiogram .

When to Visit Your Physician?

Symptoms of tachycardia and increased heart rate can be caused by numerous medical conditions. Its imperative to get accurate and prompt diagnosis of the condition and appropriate treatment. You should visit your physician if either your kid or you develop any symptoms of tachycardia.

If you develop a fainting episode, have difficulty in breathing or develop chest pain that lasts longer than few minutes, it is imperative to get immediate emergency medical care or you should call your local medical emergency number or 911. You should seek immediate emergency care if anyone else is having these symptoms.


The severity of complications of sudden increase in heart rate varies, depending on several factors including the kind of tachycardia, the duration and rate of tachycardia and presence of other problems of heart. Some of the possible complications are:

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