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How Tachycardia Affects Healthy People With Anxiety

Dr. Osama Sahar

2 min read

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Due to its reputation as a heart attack pre-cursor, Tachycardia, or ‘fast heart rate’ (over 100 beats per minute instead of the normal 60-100 bpm) is a major point of concern for most anxiety sufferers, even ones with no prior history of heart disease.

This is because the symptoms of an anxiety attack and a tachycardic episode often overlap. In fact, according to a previous study , people diagnosed with anxiety disorder mistake an anxiety attack for tachycardia or another fatal heart condition more than 90% of the time.

Here we discuss the link between the two oft mistaken conditions. Consult a cardiologist for any heart-related concerns.

How Anxiety Causes Tachycardia:

An elevated heart rate during an anxiety attack further heightens anxiety which then results in an even faster heart rate. The primary anxiety-related tachycardia stimulants are:


In times of fear or distress, the body reacts by releasing increased amounts of adrenaline to activate the fight-or-flight response. Since this defensive response remains activated throughout the day in most anxiety sufferers, the result is an overflooding of adrenaline in the bloodstream, which then manifests as spontaneous episodes of heart rate acceleration.

Also, the same brains section that controls the fight-or-flight response also regulates functions like blood pressure and heart rate, which may explain why panic attacks often result in, or are mistaken for, tachycardia.


The rapid and shallow breathing induced by a panic attack can majorly constrict the blood vessels, which forces the heart to pump faster, resulting in tachycardia. Moreover, some anxiety sufferers tend to hyperventilate even during non-anxious periods (hyperventilation syndrome), resulting in intermittent tachycardic episodes.

How Tachycardia Causes Anxiety?

While anxiety attacks commonly trigger tachycardia, there are times when tachycardia itself can induce a panic attack. Along with raising anxiety levels upon being diagnosed with a heart condition, adopting detrimental habits like smoking and overeating as coping strategies for an anxiety diagnosis contributes towards a heart problem, which then results in more anxiety.

Anxiety, Tachycardia, and Heart Attacks:

Most anxiety sufferers automatically gravitate towards negative thoughts and expecting the worst outcome, usually a heart attack, during a panic attack.  The belief is further cemented with hyperventilation, which often mimics heart attacks through symptoms like chest pain and leg weakness.

However, despite its notorious reputation, a panic attack rarely ever leads to a heart attack, especially when one has no history of heart problems. All it does is intensify the anxiety when paired with catastrophic thoughts.

How to Tell Them Apart?

  • Symptom Patterns: It is an anxiety attack if a fast heart rate is followed by stressful emotions, and a tachycardic episode if emotional stress comes after an escalated heart rate, lightheadedness, and/or chest pain.
  • Fainting or Seizure: It is anxiety if warning signs like discomfort and unsettling feelings are experienced prior to passing out, while fainting during sitting, standing exercising, or other physical activity may indicate tachycardia.
  • Hyperventilation: Hyperventilation followed by numbness in tingling around the mouth and in the fingertips of both hands signals an anxiety attack, while lightheadedness or fainting along with hyperventilation indicate tachycardia.
  • Triggers: A gradual, steady increase in heart rate indicates an anxiety attack, while obvious skipped or ‘extra’ heart beats are usually signs of tachycardia.
  • A Heart Monitor: If symptoms are difficult to differentiate, then having your heart rhythm recorded constantly for 2-4 weeks can help determine the differences between the two conditions and improve diagnosis.

How to Stop It?

The following measures can help with anxiety management for preventing tachycardia and keeping the anxiety from intensifying:

  • Deep abdominal breathing and yoga to control hyperventilation and tachycardia
  • Cognitive Behavioral Therapy to better understand and manage anxiety symptoms
  • Learning to check your pulse to better understand heart rhythm
  • Antidepressants for severe anxiety

Although relatively harmless on its own, tachycardia can result in a stroke or heart attack if left unchecked in case of an already present heart condition. This is why people diagnosed with a heart condition should get a proper examination following a tachycardic episode, even if the symptoms are not obvious.

You can also book an appointment with a top Cardiologist in Rawalpindi, Karachi and Islamabad through oladoc.com, or call our helpline at 042-3890-0939 for assistance to find the RIGHT Doctor for your cardiac concerns.

Disclaimer: The contents of this article are intended to raise awareness about common health issues and should not be viewed as sound medical advice for your specific condition. You should always consult with a licensed medical practitioner prior to following any suggestions outlined in this article or adopting any treatment protocol based on the contents of this article.

Dr. Osama Sahar
Dr. Osama Sahar - Author Dr. Osama Sahar is a Cardiologist. Dr. Osama Sahar is among the Best Cardiologists in Karachi. She has a MBBS and Dip in Cardiology degree along with an experience of 10 years. She is also a member of Pakistan Medical and Dental Council (PMDC) and its pmdc number is 51082-S.
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