Neonatal bradycardia is characterised by a heart rate below 80 bpm, irrespective of gestational age. It is generally self-resolving but, in some cases, represents an underlying pathology which may be cardiac or non-cardiac in origin. The common causes for bradycardia are non-cardiac in origin such as autonomic immaturity in premature infants, electrolyte imbalances, hypothyroidism and medications. Cardiac causes include-sinus bradycardia, conduction system abnormalities, congenital heart disease and channelopathies. Diagnostic investigations typically include a standard 12-lead ECG, 24-hour Holter monitor and an echocardiogram. This article aims to provide a practical framework for the management of neonates with bradycardia and guide further investigation and/or referral to specialist paediatric cardiology services.
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http://dx.doi.org/10.1136/archdischild-2024-327619 | DOI Listing |
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