what type of change is beating of heart? explain your answer
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Answer:
Your heart normally beats in a regular rhythm and rate that is just right for the work your body is doing at any moment. The usual resting heart rate for adults is between 60 to 100 beats per minute. Children have naturally higher normal heart rates than adults.
The heart is a pump made up of four chambers: two upper chambers (atria) and two lower chambers (ventricles). It is powered by an electrical system that puts out pulses in a regular rhythm. These pulses keep the heart pumping and keep blood flowing to the lungs and body.
When the heart beats too fast, too slow, or with a skipping (irregular) rhythm, a person is said to have an arrhythmia. A change in the heart's rhythm may feel like an extra-strong heartbeat (palpitation) or a fluttering in your chest. Premature ventricular contractions (PVCs) often cause this feeling.
A heartbeat that is occasionally irregular usually is not a concern if it does not cause other symptoms, such as dizziness, light-headedness, or shortness of breath. It is not uncommon for children to have extra heartbeats. In healthy children, an extra heartbeat is not a cause for concern.
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