Sunday, May 15, 2022

How Accurate Is Ecg For Heart Attack

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Why Might I Need An Electrocardiogram

UCSF Researchers Find EKG Can Help Predict Heart Attacks in Healthy Elderly People

Some reasons for your doctor to request an electrocardiogram include:

  • To look for the cause of chest pain
  • To evaluate problems which may be heart-related, such as severe tiredness, shortness of breath, dizziness, or fainting
  • To identify irregular heartbeats
  • To help determine the overall health of the heart before procedures such as surgery or after treatment for conditions such as a heart attack , endocarditis or after heart surgery or cardiac catheterization
  • To see how an implanted pacemaker is working
  • To determine how well certain heart medicines are working
  • To get a baseline tracing of the heart’s function during a physical exam this may be used as a comparison with future ECGs, to determine if there have been any changes

There may be other reasons for your doctor to recommend an ECG.

Apple Watch Series 4/5/6/7

The latest Apple Watch Series 7 has ECG functionality, with sensors built into the ceramic heart rate monitor under the watch, and also the new Digital Crown.

Fire up the ECG app, pop your finger on the crown and you’ll be guided through the reading.

You’ll get a notification of whether the reading was normal or Afib, and an EKG graph of your heart rate will be logged in the Apple Health smartwatch app.

Apple has FDA approval for its ECG, as well as clearance in the European Economic Area with more than 20 countries now able to make use of the health feature.

Price when reviewed: $329

The Fitbit Sense is the company’s first health watch, and it brings a host of new sensors including ECG.

You can perform ECG spot checks using the app on the watch. When you open the app, touch your fingers to the aluminium case and hold as instructed on the watch for an ECG to be taken.

The PPG sensor also scans for abnormal rhythms including high and low heart rate.

The Fitbit ECG sensor has gained full FDA and CE approval for use in the US and Europe.

What Does Current Guidance Say On This Issue

Current NICE guidance on chest pain recommends that patients with a suspected heart attack should receive an ECG and high sensitivity troponin test on hospital arrival. If patients do not have the typical ECG features of a heart attack , a repeat high sensitivity troponin three hours later can confirm or rule out non-ST elevation heart attack.

Troponin measurement is not recommended for people presenting with chest pain who are not clinically suspected of having a heart attack.

Read Also: What Causes Left Sided Heart Failure

What Are The Treatments For Heart Failure

Treatment of heart failure focuses on slowing or reversing its progression. The earlier treatment starts, the better the outcome.

After a diagnosis, your doctor will recommend a series of lifestyle changes. You may be asked to reach and maintain a healthy weight, increase your activity level , restrict salt intake, restrict fluid intake, and avoid alcohol. If you smoke or chew tobacco, you’ll be advised to stop. You will need to work with your doctor to find the right balance of rest and activity — mobility is important to keep blood circulating. You will also need to weigh yourself daily and record your weight to detect fluid retention.

Your doctor will also prescribe several medications to manage your heart failure or the underlying problem that caused the heart failure. Drugs used to treat heart failure, often in combination, include:

Diuretics or water pills can help reduce symptoms of heart failure or keep them from getting worse. For example, they may help make breathing easier by helping pull fluid out of the lungs. A diuretic makes you urinate a lot, especially when you first start taking it. The diuretics you’re most likely to be started on for heart failure include bumetanide , furosemide , and torsemide .

You may also be given a thiazide diuretic like chlorothiazide or metolazone . Another option is a mineralocorticoid receptor antagonist like eplerenone and spironolactone that not only removes extra salt and fluid but also holds onto potassium.

Apple Watch Series : Cheap Ecg Smartwatch For Apple Phone

UNDERSTAND WHAT IS HEART ATTACK. CAUSES, SIGNS AND ...

Apple Watch Series 4 is the first smartwatch that comes with FDA Approved ECG tracking features. If you are an Apple phone user, it is the cheapest Apple Watch that comes with an ECG tracking feature.

Like other Apple Smartwatches, it also detects irregular heart rhythm and irregular heart rate. It also calls emergency services with your location so that they can reach you with help whenever it is necessary.

ECG Tracking feature is the same in all Apple Smartwatches. So you need to consider other features while choosing an Apple Smartwatch.

If it is not available on your Apple Watch 4, upgrade to the latest software and download the ECG App.

If you are on a tight budget, Apple Watch Series 4 is the cheapest smartwatch with ECG. On the other hand, if you need blood oxygen level monitoring, you have to go for an Apple Watch Series 6, which will cost you more.

Pros

  • No Blood Oxygen and B.P.

Our Verdict.

Apple Watch Series is the first ECG enable smartwatch from Apple. So it is a bit older, but the ECG tracking features are still the same on all three Apple Watches.

Like other Apple Watches, it does not work with Android smartphones, and you need to go for other Apple Smartwatch alternatives such as Samsung Galaxy Watch3, Active2, or Fitbit Sense.

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Best Portable Ecg Monitors

An ECG monitor is a life-saving device used to measure your hearts electrical activity to show whether your heart works normally or not. There are different types of ECG monitoring devices, but finding the best portable ECG monitors and home ECG monitors can be challenging because you want something portable, reliable, and shows accurate readings.

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How The Ecg App Works

The ECG app on Apple Watch Series 4, Series 5, Series 6, or Series 7 generates an ECG that is similar to a single-lead ECG. In a doctors office, a standard 12-lead ECG is usually taken. This 12-lead ECG records electrical signals from different angles in the heart to produce twelve different waveforms. The ECG app on Apple Watch measures a waveform similar to one of those twelve waveforms. A single-lead ECG is able to provide information about heart rate and heart rhythm and enables classification of AFib. However, a single-lead ECG cannot be used to identify some other conditions, like heart attacks. Single-lead ECGs are often prescribed by doctors for people to wear at home or within the hospital so that the doctor can get a better look at the underlying rate and rhythm of the heart. However, the ECG app on Apple Watch Series 4, Series 5, Series 6, or Series 7 allows you to generate an ECG similar to a single-lead ECG without a prescription from your doctor.

In studies comparing the ECG app on Apple Watch to a standard 12-lead ECG taken at the same time, there was agreement between the ECG app classification of the rhythm as sinus or AFib compared to the standard 12-lead ECG.

The clinical validation results reflect use in a controlled environment. Real world use of the ECG app may result in a greater number of strips being deemed inconclusive and not classifiable.

Current Status Future Directions

Normal EKG vs. Heart Attack

The FDA has already approved the Apple Watch’s built-in ECG tool for detecting atrial fibrillation , a rapid, irregular heart rhythm that raises the risk of stroke. If your watch detects this arrhythmia, your doctor can use a simple formula that takes into account your age, sex, and other health problems to estimate your risk of stroke, says Dr. Libby. If your stroke risk is high enough and you aren’t at high risk for bleeding, your doctor might recommend anti-clotting medications to lower your stroke risk.

So far, however, it’s not clear whether finding afib with a smartwatch app translates to better outcomes . Physicians also worry about being inundated with ECG tracings sent from concerned patients who get alerts about possible afib on their Apple Watches, Dr. Libby says.

As for detecting heart attacks, an editorial accompanying the new study conjures an image of a “smart watchtoting cardiologist” evaluating chest pain out in public at a restaurant or on an airplane, for example. But home-based ECGs for patients are on the horizon, according to the article.

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The Skeptical Cardiologist Has Some Bad News

The Skeptical Cardiologist recently received this email from a reader:

“With the new Apple Watch that’s out now, people have suggested my husband should get it since it could detect a heart attack. But I keep remembering what you said that these devices can’t detect heart attacks and that Afib isn’t related to a heart attack most of the time is that still the case? I don’t really know how to explain to people that it can’t do this, since absolutely everyone believes it does.”

The answer is a resounding and unequivocal NO!

If we are using the term heart attack to mean what doctors call a myocardial infarction there should be no expectation that any wearable or consumer ECG product can reliably diagnose a heart attack.

The Apple Watch — even in its latest incarnation and with the ECG feature and with rhythm monitoring activated — is incapable of detecting a myocardial infarction.

Similarly, although the AliveCor Kardia ECG monitor is superb at diagnosing rhythm abnormalities, it is not capable of detecting an MI.

To make this even clearer, note that when you record an ECG on the Apple Watch it intermittently flashes the following warning:

How did this idea take root in the consciousness of so many Americans?

Perhaps this article in 9to5Mac had something to do with it …

The article begins:

Even if we assume all the details of this story are accurate, it is absolutely not a case of Apple Watch diagnosing an MI.

Echocardiogram Vs Ekg When Are They Ordered

The EKG is the most commonly ordered heart test. Basically every patient every evaluated for a heart related issue or heart related symptoms get an EKG. The echocardiogram is also very commonly used but not as common as the EKG. The EKG can also be considered a screening test that is done in almost everyone that has a history and physical. The echo is more specifically ordered when there are signs and symptoms of heart disease present.

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Echocardiogram Vs Ekg They Complement Each Other

Importantly in most cases of an abnormal EKG an echo will be ordered. For example if a patient presents with palpitations and an irregular heart tracing is picked up, the patient will be sent for an echocardiogram also to evaluate for underlying structural of functional disorders that may be the cause of the rhythm. If a patient has chest pain and the EKG suggests a possible heart attack or blockage, an echocardiogram will likely be ordered to see the extent of the damage. Hopefully this article has helped to explain echocardiogram vs. EKG.

How Can Ecg Tech Save Your Life

" Should You Get A Routine Annual Electrocardiogram ...

An ECG carried out by a medical professional can identify many issues with your heart. But ECG devices designed to be used at home arent quite there yet.

Here are a few of the ways the ECG tech found in your Apple Watch or Samsung smartwatch can currently save your life though, including the problems that they can identify and the others they might be able to.

Atrial fibrillation

Atrial fibrillation is a heart condition that can cause an irregular and abnormally fast heartbeat. Its common and potentially deadly. It’s also intermittent, which makes it difficult to detect. This is the one condition that both Apple and Samsung are FDA-cleared to detect. FDA approval is still pending for Fitbit’s new Sense watch to do the same.

ZDNet writer Jason Perlow was part of the early testing of Apples Atrial fibrillation detection, and identified a problem with his heart in 2018 thanks to the data that was collected.

The reason personal devices are effective at recognising this particular kind of arrhythmia , and the reason Perlow cites for its effectiveness in his case, is because you can take them at any time.

Unlike getting an ECG at the hospital, you can monitor your heart throughout the day. Irregularities in heart rate can be episodic, and difficult to capture, explains Dr Grimes, So a personal ECG that you carry with you can help clinicians record when palpitations happen and help with diagnosis.

Abnormal heart rhythms

Heart attack

Healthier insights

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What Causes A Silent Heart Attack

The causes of a silent heart attack are the same as those of a typical heart attack. Diabetics, in particular, are frequently affected by silent heart attacks due to the presence of neuropathy. When the blood sugar level is uncontrolled over time, the blood vessels and nerves are damaged, causing many diabetics to have a decreased or absent perception of symptoms this is known as diabetic neuropathy. To learn more about diabetes and its various side effects, read our specialty article entitled Diabetes Mellitus.

A main cause is calcification of the arteries . When arteriosclerosis is present, less blood can flow throughout the body via the blood vessels. Under strong physical or emotional stress, not enough oxygen and nutrients reach the organs, including the heart. This can lead to a heart attack , in which the heart muscle dies.

To learn about how arteriosclerosis develops and its risk factors, read our article entitled High Blood Pressure.

Viatom Armfit Plus Electric Blood Pressure Monitor With Ecg Upper Arm Cuff Wireless Blood Pressure Machine With

  • All-in-one Health Monitor: It is an incredible solution to be able to check blood pressure and ECG with a single portable device. It provides waveforms for systole, diastole, pulse rate, heart rate and ECG, comprehensively monitors your heart condition, helps you to keep BP numbers under control and ultimately, to have a healthier heart.
  • Accurate Measurement and Multi-user Trends: Each record can be named and noted, and blood pressure trends can be displayed by selected users, suitable for family use.
  • Easy to Use: Only 2 buttons to operate, follow the instructions on the screen, check your health status within 30s. The built-in memory can store 10 sets of ECG waveform and 50 sets of blood pressure data, allowing it to work independently without a smartphone. And you can also check your real-time data on the dashboard of the APP when the device is connected.
  • Free APP for Android & iOS: Work with most smartphones and tablets, data is synchronised with the APP when the device is connected to your phone. An easy-to-read report helps you to understand your condition better, you can share your report with others with one click.
  • Portable and On The Go: Compact, one-piece design makes it easy to monitor your blood pressure in the comfort of your home, whilst travelling or at work.

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Why Was This Study Needed

Each year about 150,000 men and women in the UK suffer a heart attack, but over 700,000 attend hospital emergency departments with chest pain.

Patients with a heart attack usually have a blockage in one of the arteries supplying blood to the heart. They need urgent treatment to restore the blood supply to reduce permanent damage to the heart. Doctors need to quickly determine whether or not heart attack may be the cause of chest pain. Early rule-out may avoid unnecessary hospital admission, investigations and treatment.

Troponin protein is released from damaged heart muscle into the bloodstream. New high-sensitivity blood tests allow detection of a very low level of troponin soon after the onset of symptoms. The electrocardiogram measures the hearts electrical activity and can show abnormalities in a heart attack. This review aimed to see whether a negative high sensitivity troponin T assay and normal ECG can accurately rule out heart attack in the emergency department.

Ecg Smartwatch Related Questions

ECG in Heart Attack

Here are some of the questions frequently asked by our readers about the best ECG watch. I hope this will help you.

  • Can Apple Watch detect heart attack?

    No smartwatches can detect a heart attack. However, it can detect some early cardiac arrest signs, such as irregular heart rate and atrial fibrillation.

  • Why choose a clinically validated ECG watch?

    Clinically validated ECG devices are tested for their reliability and accuracy. There are cheap smartwatches with ECGs in the market. But they are not clinically validated. So, they may not track the ECG as accurately as clinically validated devices.

  • How to check EKG feature availability in my country?

    If you are an Apple Watch user, you can check the list of countries here. If you are a Samsung Galaxy Watch user, then here is the list of countries.

  • Can I use Apple Watch ECG with Android Phone?

    No Apple watches are not compatible with Android devices. If you are an Android user, we recommend the Samsung Galaxy watch 3. It is approved by the FDA, and it has many health-tracking features like SpO2, B.P, fall detection, etc. The B.P monitoring feature is not available on Apple wearables.

  • What Apple watch has ECG?

    Apple Watch Series 4, Series 5, and Series 6. ECG feature is not available on Apple Watch Series 3.

  • Does the FDA approve WithingsMove Watch ECG?

    As of now, the ECG feature in Withings Move Watch is not Approved by the FDA. As soon as the FDA approves it, we will be updating this article.

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