the nurse should recognizes Each lub-dub is one heart beat sounds
A pulse in medicine is the tactile arterial palpation of the cardiac cycle by trained fingertips.
A healthy adult's pulse rate ranges between 60 and 100 beats per minute. Exercise, illness, injury, and emotions can cause the pulse rate to rise and fall. In general, females aged 12 and up have faster heart rates than males.
An electrocardiogram (ECG or EKG) is a test that measures the electrical signal from the heart in order to diagnose various cardiac problems. Electrodes are put on the chest to record the electrical signals produced by the heart, which cause the heart to beat. On an associated computer monitor or printer, the signals are displayed as waves.
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