VCF files, also commonly referred to as vCards, are the standard file format that is used to store contact information for individuals and businesses in a digital file format.
The normal resting adult human heart rate ranges from 60â100 bpm. Tachycardia is a fast heart rate, defined as above 100 bpm at rest. Bradycardia is a slow heart rate, defined as below 60 bpm at rest. During sleep a slow heartbeat with rates around 40â50 BPM is common and is considered normal.eart rate, or heart pulse, is the speed of the heartbeat measured by the number of contractions of the heart per unit of time â typically beats per minute (bpm).
Your resting heart rate is the number of times your heart beats per minute when it is at rest -- when you are calm and relaxed.Resting heart rate varies from person to person, but according to the American Heart Association, the normal range is 60 to 100 beats per minute.A resting heart rate over 100, a condition called tachycardia, may be appropriate for you, or it may indicate a more serious condition.our resting heart rate is the number of times your heart beats per minute when it is at rest -- when you are calm and relaxed.