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For newborns, a resting heart rate of more than 160 beats/minute is considered tachycardia. For teenagers, the number is 90 beats/minute. Tachycardia is an arrhythmia, or abnormal heart beat, and some types need no treatment at all or may go away on their own.
In pediatrics, the normal heart rate varies with age (see Table 1). Therefore, in children, the definition of tachycardia is age dependent. Presentation varies with underlying cause, but most often the symptoms are vague and non-specific, such as “fussiness” or “difficulty feeding”.
25 Σεπ 2024 · Tachycardia can have various causes and refers to a heart rate that’s faster than the normal upper limit. How that’s defined depends on your child’s age and physical condition. For example, tachycardia in newborns refers to a resting heart rate that may be faster than that of an older child.
In a child with arrhythmia, the heart may beat too quickly, beat too slowly, skip a beat or have extra beats. Most types of irregular heartbeat in children are harmless. And most go away with treatment of the underlying cause, such as fever or infection. But some types can be serious.
Answer. The electrocardiogram on admission shows a regular tachycardia of approximately 162 beats/min with a relatively narrow QRS complex (116 ms) with a right bundle branch block (RBBB) morphology and left axis deviation (LAD).
15 Δεκ 2023 · Causes. Tachycardia is an increased heart rate for any reason. If a fast heart rate is caused by exercise or stress, it's called sinus tachycardia. Sinus tachycardia is a symptom, not a condition. Most heart conditions can lead to different forms of tachycardia. Irregular heart rhythms, called arrhythmias, are one cause.
8 Νοε 2022 · A parent/caregiver or other observer may describe tachycardia based on observation of the child's neck veins, palpation of the pulse, or sensation of the heart beating rapidly while holding the child. All complaints of tachycardia require rapid assessment of patient status and cardiac rhythm.
