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).
Each year millions of people experience abnormal heart rhythms (arrhythmias), which are common as we age. For most, a normal resting heart rate is 60 to 100 beats per minute (bpm). For athletic individuals, a normal resting heart rate may be as low as 40 to 60 bpm.Abnormal heart rhythms can be described as a heart beating too fast (above 100 bpm) or slow (below 60 bpm), a fluttering sensation in the chest area or the skipping of a heart beat.or athletic individuals, a normal resting heart rate may be as low as 40 to 60 bpm. Abnormal heart rhythms can be described as a heart beating too fast (above 100 bpm) or slow (below 60 bpm), a fluttering sensation in the chest area or the skipping of a heart beat.