VSD and AV Nodal Conduction System


Ekema_LS_16A-1_1Title of entry: VSD and AV Nodal Conduction System

Entrant’s name: Lynsey Ekema

Membership Type: Professional

Other contributors:

Address: Beech Island, SC

Client: STEFANI SAMPLES, MD and ADAM BERMAN, MD, FHRS

Medium / software used: Adobe Illustrator, Adobe Photoshop

Final presentation format: Digital Publication

Primary audience: Health care professionals

Intended purpose: The illustration accompanied a publication for healthcare professionals in

cardiology to report a case study in Remote Magnetic Navigation-guided Catheter Ablation of

Atrioventricular Nodal Reentrant Tachycardia in an Adult Patient with Prior Surgical Closure of

Perimembranous Ventricular Septal Defect. This two panels demonstrate normal heart anatomy

versus the heart with the typical locations of the four major types of VSD, including the intimate

relationship between membranous VSDs and the normal AV nodal conduction system. The anatomic

locations of the AV node and His bundle confer significant risk for surgical injury, particularly

during repair of membranous VSDs. Following surgical intervention, the anatomic location of these

conduction system structures may be altered as further growth and development occurs throughout

childhood and into adulthood. In the first panel (a) Conduction system location in anatomically

normal heart, as viewed from the right atrium and ventricle. Normal conduction system anatomy

consists of the sinus node, compact AV node, His bundle, and bundle branches. In the second panel

(b) Conduction system in relation to ventricular septal defects, as viewed from the right atrium and

ventricle.