Resumen
Heart rate and body temperature are two important parameters used by paramedics to know the health condition of a person's physical and mental condition. Because when the heart rate or body temperature is not normal it is necessary to further efforts in order to avoid the things that are not desirable. As we all know heart disease is one of the leading causes of death in the world, while the body temperature can indicate something in the body, for example: there is inflammation, infection and so forth. Stethoscope and a mercury thermometer, two tools we know this is a common tool used to measure heart rate and body temperature. Both of these tools is simple and easy to carry, but has very basic shortcomings in medical science. Lack of it, among other things: require quite a long time because they have to be done over and over again to achieve the right result, accuracy is relatively low because it requires concentration to calculate the heart rate and vision from the perspective of the right to know the results.Keywords : Heart rate, body temperature, stethoscope, thermometer