Which of the following signs is one of the first to indicate decreased peripheral perfusion in children?

Question

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Infants and children have a limited ability to increase stroke volume. As a result, they will attempt to compensate for a reduction in cardiac output by increasing their heart rate. Tachycardia is one of the first signs of decreased peripheral perfusion in children. Hypotension is an unreliable and late finding of shock in children occurring when the child's compensatory mechanisms have already failed.

Which of the Following Signs Is One of the First