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Table 6 Recommended surveillance levels at time of delivery in women with arrhythmias

Risk for arrhythmia with haemodynamic compromise at delivery Level of

surveillancea Classb Levelc

Low-risk PSVT, AF, idiopathic VT, low-risk LQTS, WPW syndrome 1 I C

Medium-risk Unstable SVT, VT, those with an implanted ICD, VT and struc-

tural heart disease, Brugada syndrome; moderate risk: LQTS, catecholaminergic polymorphic VT 2 I C

High-risk for life threatening arrhythmia Unstable VT in structural heart disease/congenital heart disease, unstable VT/TdP in high-risk LQTS patients, short QT syndrome,

high-risk catecholaminergic polymorphic VT 3 I C

Descriptions of actions to be planned Surveillance level

Low 1 Medium 2 High 3

Consult cardiologist x

Consultation with multidisciplinary team including arrhythmologists at specialized centre x x

Mode and location of delivery as advised by obstetricians x x

Caesarean delivery recommended x

Monitor cardiac rhythm (telemetry, external rhythm monitor) (x) x

Intravenous line x x

Arterial line x

Prepare for intravenous administration of adenosine x

Prepare for intravenous administration of a beta-blocker x x

Prepare for intravenous administration of selected antiarrhythmic drugs x

External cardioverter defibrillator at site x x

Delivery at thoracic operating theatre x

Prepare for transfer to cardiac intensive care unit post-partum if needed x

This table has been developed by expert consensus. AF = atrial fibrillation; ICD = implantable cardioverter-defibrillator; LQTS = long QT syndrome; PSVT = paroxysmal supraventricular tachycardia; SVT = supraventricular tachycardia; TdP = torsade de pointes; VT = ventricular tachycardia; WPW = Wolfe-Parkinson-White. aThe risk stratification should follow published Guidelines for the particular disease. bClass of recommendation. cLevel of evidence. Downloaded from academic.oup.com/eurheartj/article/39/34/3165/5078465 by guest on 07 October 2026