Common tools for measuring heart rate are as follows: 1, general ECG: instant heart rate is more accurate; 2, dynamic ECG: you can see 24 hours, 72 hours of dynamic ECG, but also can see the day’s ECG activity, heart rate, but also can show premature beats, tachycardia; 3, ECG monitor: ECG monitor two electrodes on the hand or chest wall, the display that can see the ECG activity, including heartbeat, the presence of premature beats. The people at home can use some tools, such as Apple Watch can see the heart rate, this wearable device is now very popular, every moment of the heartbeat can be seen through the watch pulse count; 4, finger pulse oxygen: is relatively professional equipment, the so-called finger pulse oxygen is in the clip on the finger, you can see the instant pulse, you can also see the oxygen saturation, is currently more commonly used tools. You can choose according to your own situation, at home you can use the finger pulse oxygen or Apple Watch, sports bracelet to see the heart rate. If you are in the hospital available ECG, ambulatory ECG and ECG monitor.