You may have trouble obtaining an accurate pulse rate in a squirming infant or child. The best strategy is to palpate the femoral arteries in the inguinal area or the brachial arteries in the antecubital fossa, or to auscultate the heart. In older children who are cooperative, palpate the radial artery at the wrist.
To measure the man, measure his heart.
—Malcolm Stevenson Forbes
Bradycardia in infants or young children may be due to drug ingestion, hypoxia, intracranial or neurologic conditions, or, rarely, cardiac arrhythmia such as heart block.
Bradycardia in a thin adolescent female may be due to anorexia nervosa.
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