Understanding Palpitations in Teenagers
Few things are more unsettling for a parent than hearing their teenager say, 'My heart was racing.' Sometimes it happens during sports. Sometimes during school. Occasionally it happens completely out of nowhere while sitting on the couch or trying to fall asleep at night.
And almost every parent immediately wonders the same thing: 'Could this be something serious?'
The good news is that palpitations in teenagers are very common, and in many cases, they are harmless. But because heart rhythm conditions can occasionally signal an underlying cardiac condition, it's important to understand when reassurance is appropriate — and when a closer evaluation may help.
What Are Palpitations?
Palpitations are an awareness of the heartbeat. Teens may describe them as pounding, fluttering, skipping, or racing. They can last a second or two, or go on for minutes. Most of the time, palpitations are caused by something completely benign.
Common Causes (Usually Not Serious)
Stress, dehydration, lack of sleep, caffeine, illness, exercise, growth changes, and anxiety can all trigger palpitations. In teenagers especially, the combination of busy schedules, inconsistent sleep, energy drink use, and normal hormonal changes creates a perfect environment for occasional heart awareness.
When to Pay Closer Attention
We recommend further evaluation if palpitations are frequent, occur during exercise, or are associated with other symptoms.
- Palpitations that occur during exercise or immediately after
- Episodes accompanied by chest pain, dizziness, or fainting
- Palpitations that start and stop abruptly
- A racing heart that reaches very high rates (above 200 bpm)
- Family history of inherited heart rhythm conditions or sudden cardiac death
- Palpitations that are increasing in frequency or severity
The Energy Drink Conversation
Energy drinks, pre-workout supplements, and high amounts of caffeine can contribute to palpitations, jitteriness, and poor sleep. Improving hydration, sleep, and stimulant intake is often an important first step in symptom improvement. This is one of the most common and actionable conversations we have with teenagers.
Anxiety and the Heart
Stress and anxiety can cause very real physical symptoms such as racing heartbeats, chest tightness, dizziness, and shortness of breath. The heart and nervous system are deeply connected, especially during adolescence. Acknowledging this connection doesn't minimize the symptoms — it helps us address them more effectively.
What to Expect at a Cardiology Visit
Evaluations are simple and noninvasive and may include an ECG, echo, or wearing a heart monitor. Based on the history and findings, we determine whether a rhythm abnormality is present and what, if anything, needs to be done.
Reassurance Matters
When testing is normal, reassurance has value. It allows teens to return to sports, school, exercise, and everyday life with confidence and peace of mind.
At Mississippi Children's Heart Clinic, we are here to listen, evaluate, and partner with your family every step of the way.
Have concerns about your child's heart?
We're here to help.