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The Crux Of The Heart –– The Closest Approach Of The Right Atrium To The Left Ventricle, Lynn Erickson, David Krum, Hannah Samuel, Anwer Dhala, Jasbir Sra
The Crux Of The Heart –– The Closest Approach Of The Right Atrium To The Left Ventricle, Lynn Erickson, David Krum, Hannah Samuel, Anwer Dhala, Jasbir Sra
Jasbir Sra, MD, FACC, Program Director
Background: Accessory pathways, the source of atrioventricular reentry tachycardia, occasionally connect the left ventricle to the right atrium. This is possible because, in some patients, a portion of the right atrium abuts the left ventricle on the posterior wall of the heart, near the mid-coronary sinus. This anatomic region is known as the “crux” of the heart. These accessory pathways can be difficult to ablate because of the unusual and unexpected substrate. While the presence of these accessory pathways is described in the literature, the prevalence of the underlying anatomic substrate is not currently known.
Purpose: To measure the closest …