Heart rate is the number of cardiac cycles per unit time. It contributes to cardiac output together with stroke volume. A recorded pulse rate and electrical activation rate can differ under some conditions, so the measurement method should be stated.
Variation in the intervals between successive heartbeats. Its interpretation depends on the time scale, breathing and recording conditions; it is not a context-free measure of a particular emotion.

Articles by others on the same topic (1)

Heart rate, also known as pulse, refers to the number of times the heart beats in a minute. It is a vital sign that provides important information about a person's cardiovascular health and overall fitness. Heart rate can vary based on various factors, including age, fitness level, stress, activity level, and health conditions. Typically, a normal resting heart rate for adults ranges from 60 to 100 beats per minute (bpm).