Your resting heart rate, the number of times your heart beats per minute while at rest, is a key indicator of your ...

Your resting heart rate, the number of times your heart beats per minute when you're at rest, is a simple yet powerful indicator of your cardiovascular health and overall well-being. This article ...

In general, the normal QT interval is below 400 to 440 milliseconds (ms), or 0.4 to 0.44 seconds. Women have a longer QT interval than men. Lower heart rates also result in a longer QT interval.

A normal heart rate is between 60 to 100 beats per minute (BPM), but it can vary by person. A heart rate slower than 60 BPM can be a sign of anything from a high fitness level to hypothyroidism.

refers to the normal heart beat originating from the sinoatrial node. This is manifested as an upright P wave in lead II of the ECG. Sinus bradycardia occurs when the heart rate is less than 60 ...