![]() ![]() ![]() It's caused by the normal change in how fast blood returns to the heart when they breath in or out. Respiratory sinus arrhythmia - the most common irregular heart rate in children. Examples of these common but usually harmless arrhythmias include: Most often, these irregularities turn out to be perfectly normal. Irregular heartbeats, also called arrhythmias, are a common reason for referral to a pediatric cardiologist. In addition, some children are born withĬongenital conditions that affect the heart's muscles or electrical pathways and the way it pumps. Irregular heartbeats that are usually normal So can certain medications or consumingĮnergy drinks and other caffeine-containing beverages. Fever, dehydration, and medical conditions likeĪnemia can also play a role. Physical activity, stress or excitement, for example. There are many factors that can influence this rhythm. ![]() Ordinarily, special “pacemaker" cells in the heart send electrical impulses from upper to lower chambers (atria and ventricles), which take turns squeezing and relaxing to pump blood throughout the body. It's normal for a child's heartbeat to speed up or slows down as they play, sleep and grow.īut what if your child's heartbeat seems faster or slower than it should be, or has an unusual pattern? In this article, the American Academy of Pediatrics describes normal heart rate fluctuations in kids, and what might be cause for concern. The heart is one of the most active muscles in the body, beating some 50 million times in a child's first year of life. By: Orhan Kilinc, MD, FAAP, and Christopher S. ![]()
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