ADHD EKG: What You Need to Know

Attention-deficit/hyperactivity disorder (ADHD) is a neurological condition that affects millions of people worldwide. Individuals with ADHD may struggle with attention span, impulsivity, and hyperactivity. While there is no cure for ADHD, there are various treatment options that can help manage the condition. One emerging area of research is the use of electrocardiograms (EKGs) to diagnose and monitor ADHD. Here’s what you need to know about ADHD EKG:

What is an EKG?

An EKG is a medical test that records the electrical activity of the heart.

It is sometimes referred to as an electrocardiogram.

The test is typically done by placing a series of small sensors, called electrodes, on the chest, arms, and legs.

These sensors detect the electrical signals that are produced as the heart beats and transmit them to a machine that produces a graph of the heart’s electrical activity.

How is EKG used in the diagnosis of ADHD?

Research indicates that individuals with ADHD may have abnormal heart rate and rhythm patterns.

One study found that children with ADHD had higher heart rates and lower heart rate variability (HRV) than their non-ADHD peers.

HRV refers to the variation in time between heartbeats, and lower HRV is associated with greater stress and poorer health.

This abnormal pattern of heart rate and HRV could be due to disruptions in the autonomic nervous system, which controls heart rate and other bodily functions.

As such, EKGs can be used to measure heart rate and HRV in individuals with ADHD, providing valuable diagnostic information.

What are the benefits of using EKG to diagnose ADHD?

The use of EKG to diagnose ADHD can provide several benefits, including:

  • Objective measure: Unlike traditional diagnostic methods that rely on subjective evaluations of behavior and symptoms, EKG provides an objective measure of heart rate and HRV.
  • Quick and non-invasive: EKGs are relatively quick to perform and are non-invasive, making them a more comfortable and convenient option than other diagnostic tests.
  • Cost-effective: EKGs are a cost-effective diagnostic tool, especially compared to brain imaging tests that are often used in the diagnosis of ADHD.

How can EKG be used to monitor ADHD?

In addition to diagnosis, EKGs can also be used to monitor the effects of ADHD treatment.

Many ADHD medications, such as stimulants, can impact heart rate and rhythm.

Monitoring heart rate and HRV through EKG can provide valuable information about the effectiveness of medication and any potential side effects.

EKG can also be used to monitor the impact of non-medical interventions, such as behavioral therapy and dietary changes, on heart rate and HRV.

By monitoring heart activity, healthcare professionals can gain insight into the effectiveness of various treatment options and make better-informed decisions about ongoing care.

What are the limitations of EKG in the diagnosis and monitoring of ADHD?

While there are several benefits to using EKG in the diagnosis and monitoring of ADHD, there are also some limitations to consider, including:

  • False positives: Abnormal heart rate and HRV patterns are not exclusive to ADHD and can be caused by a variety of factors, including stress, illness, and medication.
  • Limited information: EKG provides information about heart rate and HRV but does not provide insight into other symptoms of ADHD, such as attention span, impulsivity, and hyperactivity.
  • Limited availability: EKG machines are not widely available in all healthcare settings and may not be accessible to all patients.

In Summary

ADHD is a complex condition that can be challenging to diagnose and manage.

While EKG is a promising tool for the diagnosis and monitoring of ADHD, it is important to consider the limitations and potential risks associated with its use.

If you think you or anyone you know may have ADHD, speak with a healthcare professional to discuss the most appropriate diagnostic and treatment options for you.


What is an ADHD EKG?

An ADHD EKG is a test that measures the electrical activity of the heart to detect any abnormal rhythms or patterns that may indicate the presence of Attention Deficit Hyperactivity Disorder (ADHD). This test helps doctors to diagnose ADHD and develop an effective treatment plan for the patient.

Who needs an ADHD EKG?

Children and adults who are suspected of having ADHD may need an ADHD EKG to help confirm the diagnosis. This test is often recommended when the person experiences symptoms such as hyperactivity, impulsivity, and difficulty focusing, and there is a need to rule out other medical conditions that may cause or contribute to these symptoms.

How is an ADHD EKG performed?

An ADHD EKG is a painless and non-invasive test that takes about 5-10 minutes to perform. Electrodes are placed on the chest, arms, and legs to record the heart’s electrical activity. The person may be asked to lie still and breathe normally during the test. After the test, the results are analyzed by a trained specialist who will then interpret the findings and share them with the doctor.


1. American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.).

2. Levitt, J., & Brown, S. (2013). Electrocardiographic features of attention-deficit/hyperactivity disorder. Annals of Noninvasive Electrocardiology, 18(2), 142–146.

3. Weiss, M., Murray, C., Wasdell, M., Greenfield, B., Giles, L., & Hechtman, L. (2003). A preliminary approach to differentiate between pediatric bipolar disorder and attention deficit hyperactivity disorder using an emotional go/no-go task and Event-Related Brain Potentials. Journal of Child and Adolescent Psychopharmacology, 13(3), 293–301.