The initials PPM It has several uses. One of the most frequent refers to beats per minute , a unit used to measure the heart rate .
It is called pulsation , in this framework, at beat that causes the blood in the arteries The heart rate, when considering the pulsations that are recorded in a certain amount of time, reveals how many contractions the heart performs .
The functioning heart pumps the blood with a certain frequency (the heart rate ) and a certain pressure (the blood pressure ). That is why it is important to know the PPM of a person.
In an adult, it is considered normal to register between 60 and 100 PPM in state of repose . The more physical effort, the more PPM .
The idea of PPM it also appears on the ground of the music to measure the rhythm of a composition . These pulsations or pulses arise by dividing time in equal parts.
The speed at the time of the execution of the work it is known as tempo . Such speed grows simultaneously with the number of PPM . He tango , for example, has some 50 PPM , Meanwhile he reggae comes to 75 PPM and the sauce , presents between 80 and 100 PPM .
For the computing , PPM refers to pages per minute A device can print. The PPM They vary according to colors, image resolution and other factors.
PPM Finally, it is used to refer to the number of units of a substance per million units of a set: parts per million . In this case, therefore, it is linked to a concentration .