ECG+ Analyzer for HRV and QT 12+

Get valuable insights of your general wellbeing and heart health, using the ECG+ app along with your Apple Watch.

ECG+ integrates with Apple Health to unleash the greatest power of your Apple Watch ECG, by analyzing and calculating heart rate variability (HRV) out of your ECG data, which is widely considered one of the best objective metrics for physical fitness and determining your body’s readiness to perform. Additionally, ECG+ app also provides detailed analysis of heartbeat intervals, including QT/QTc, which is an important indicator of your heart's electrical activity.

HRV refers to the variation in time between successive heartbeats, which is an indicator of the health of the autonomic nervous system. QT interval refers to the time it takes for the heart to recharge between beats, which is important for assessing cardiac health.

With HRV trends you can learn your health level changes. A up hill trend means a better physical fitness level and a down hill indicates you should pay more attention to your overall health. With QT trends you can monitor closely your QT intervals over a period of time and seek healthcare attention whenever a prolonged QT is identified automatically.

Things you can do about your ECG data -
1. Measure intervals and voltages on the ECG rhythm waves
2. Calculate HRV (using RMSSD)
3. View Poincaré plot / R-R interval plot
4. HRV trends
5. Generate PDF report with HRV info
6. Send your ECG report to your healthcare provider

So what is HRV?
HRV is a measure of your autonomic nervous system that is widely considered one of the best objective metrics for physical fitness and determining your body’s readiness to perform.

Although HRV manifests as a function of your heart rate, it actually originates from your nervous system. Your autonomic nervous system, which controls the involuntary aspects of your physiology, has two branches, parasympathetic (deactivating) and sympathetic (activating).

The parasympathetic branch (often referred to as “rest and digest”) handles inputs from internal organs, like digestion or your fingernails and hair growing. It causes a decrease in heart rate. The sympathetic branch (often called “fight or flight”) reflects responses to things like stress and exercise, and increases your heart rate.

Heart rate variability comes from these two competing branches simultaneously sending signals to your heart. If your nervous system is balanced, your heart is constantly being told to beat slower by your parasympathetic system, and beat faster by your sympathetic system. This causes a fluctuation in your heart rate: HRV.

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