Premature Atrial Contraction (Multiple) Vs. Atrial Trigeminy on Your Watch ECG

PAC Atrial Trigeminy ECG
Qaly Heart
Qaly is built by Stanford engineers and cardiologists, including Dr. Marco Perez, a Stanford Associate Professor of Medicine, Stanford Cardiac Electrophysiologist, and Co-PI of the Apple Heart Study.

Key Takeaways

Got other questions on PAC or Atrial Trigeminy? See the Qaly guides on PAC and Atrial Trigeminy:

Introduction

Your watch ECG does more than just tracking your heart rate — it provides a unique window into the rhythmic workings of your heart. Two heart rhythms you might come across are multiple premature atrial contractions and atrial trigeminy. The comparison of "premature atrial contraction vs atrial trigeminy" is a common topic among health-conscious individuals keen to understand their watch ECG readings better. Let’s dive in.

What’s a Premature Atrial Contraction (PAC)?

Premature atrial contractions are early beats that originate from the atria — the upper chambers of the heart. When multiple PACs occur, they appear as irregular early beats on an ECG. While occasional PACs are usually benign, frequent PACs can sometimes indicate underlying heart disease or trigger other arrhythmias. 

PACs read on a Samsung Watch ECG through the Qaly app.
PACs read on a Samsung Watch ECG through the Qaly app.

On an ECG, PACs are identified by an early and often different-looking P wave, followed by a QRS complex and a compensatory pause. Here’s more on what a PAC looks like on your watch ECG.

PACs read on a Kardia ECG through the Qaly app.
PACs read on a Kardia ECG through the Qaly app.

What’s Atrial Trigeminy?

Atrial Trigeminy is a heart rhythm characterized by a pattern where two normal heartbeats are followed by a premature contraction originating from the atria. On an ECG, atrial trigeminy is observed as two regular P waves succeeded by an abnormal P wave, indicative of the premature atrial contraction. Here’s more on what atrial trigeminy looks like on your watch ECG.

Atrial Trigeminy read on an Apple Watch ECG through the Qaly app.
Atrial Trigeminy read on an Apple Watch ECG through the Qaly app.


Get your ECG checked by certified experts within minutes on the Qaly app.

Try Qaly for Free
App Store - Download Qaly | ECG Reader
Try Qaly for Free
Google Play - Download Qaly | ECG Reader
Try Qaly for Free
3 days free, cancel any time
QALY app - ecg reviews, ecg reader, ecg interpretations, review your ecg
Atrial Trigeminy read on an Apple Watch ECG through the Qaly app.
Atrial Trigeminy read on an Apple Watch ECG through the Qaly app.

What’s the Difference Between Multiple PACs and Atrial Trigeminy?

When comparing multiple premature atrial contractions and atrial trigeminy, the key difference lies in their patterns. PACs can occur randomly and frequently, leading to a more irregular rhythm. On the other hand, atrial trigeminy follows a set pattern of two regular beats followed by one premature beat.

Both conditions can sometimes be asymptomatic but may also cause palpitations, a feeling of skipped beats, or fluttering in the chest. Their potential impact on health depends on their frequency, any underlying heart disease, and the presence of symptoms. Both rhythms might indicate other cardiovascular conditions and warrant further investigation.

While a watch ECG provides valuable insights, it's not a substitute for comprehensive medical advice. Always consult with a healthcare professional if you notice any irregularities in your heart rhythm. With the knowledge you gain from your watch ECG, you're better equipped to maintain a healthy and balanced lifestyle. Stay informed, stay proactive, and stay heart healthy!

Still Not Sure if It’s Premature Atrial Contraction (Multiple) or Atrial Trigeminy on Your ECG?

Differentiating between multiple PACs vs atrial trigeminy on your ECG can be tricky. If you’re still looking for help interpreting your ECG further, check out the Qaly app on App Store or Play Store. On Qaly, human experts will interpret your ECGs within minutes, day or night. Try out the Qaly app today!

Wondering if it's PACs or Atrial Trigeminy? On the Qaly app, human experts will interpret your ECGs for PACs and Atrial Trigeminy within minutes. Get started today.

Try free, cancel any time
Download Qaly
App Store - Download Qaly | ECG Reader
Download Qaly
Google Play - Download Qaly | ECG Reader
Download Qaly
Start today, cancel any time
QALY app - ecg reviews, ecg reader, ecg interpretations, review your ecg

Get unlimited ECG reviews today, cancel anytime -->

Get unlimited ECG reviews today, cancel anytime -->

Wondering if it's PACs or Atrial Trigeminy? On the Qaly app, human experts will interpret your ECGs for PACs and Atrial Trigeminy within minutes. Get started today.

Download Qaly