Case 13

Bradley P. Knight

doi:10.1007/978-1-84996-390-9_13

Case 13

Bradley P. Knight^*

^*Corresponding author for this work

Medicine, Cardiology Division

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

A 54-year-old female with mental retardation presented to the emergency department with a recurrent supraventricular tachycardia (SVT) at 180 bpm. An electrophysiology (EP) study was performed. The baseline rhythm was sinus rhythm without ventricular preexcitation. Her clinical tachycardia was induced when an atrial extrastimulus was delivered with a coupling interval of 340 ms during a drive train with a cycle length (CL) of 550 ms (Fig. 13.1). There was a one-to-one relationship between the atrium and the ventricle. The ventriculoatrial (VA) interval associated with the first beat of the tachycardia is nearly identical to the remaining VA intervals. Can atrial tachycardia be excluded?

Original language	English (US)
Title of host publication	Cardiac Electrophysiology
Subtitle of host publication	Clinical Case Review
Publisher	Springer London
Pages	53-55
Number of pages	3
ISBN (Print)	9781849963893
DOIs	https://doi.org/10.1007/978-1-84996-390-9_13
State	Published - 2011

ASJC Scopus subject areas

General Medicine

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10.1007/978-1-84996-390-9_13

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abstract = "A 54-year-old female with mental retardation presented to the emergency department with a recurrent supraventricular tachycardia (SVT) at 180 bpm. An electrophysiology (EP) study was performed. The baseline rhythm was sinus rhythm without ventricular preexcitation. Her clinical tachycardia was induced when an atrial extrastimulus was delivered with a coupling interval of 340 ms during a drive train with a cycle length (CL) of 550 ms (Fig. 13.1). There was a one-to-one relationship between the atrium and the ventricle. The ventriculoatrial (VA) interval associated with the first beat of the tachycardia is nearly identical to the remaining VA intervals. Can atrial tachycardia be excluded?",

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AB - A 54-year-old female with mental retardation presented to the emergency department with a recurrent supraventricular tachycardia (SVT) at 180 bpm. An electrophysiology (EP) study was performed. The baseline rhythm was sinus rhythm without ventricular preexcitation. Her clinical tachycardia was induced when an atrial extrastimulus was delivered with a coupling interval of 340 ms during a drive train with a cycle length (CL) of 550 ms (Fig. 13.1). There was a one-to-one relationship between the atrium and the ventricle. The ventriculoatrial (VA) interval associated with the first beat of the tachycardia is nearly identical to the remaining VA intervals. Can atrial tachycardia be excluded?

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Case 13

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