Chronotropic Incompetence in a Young Adult: Case Report and Literature Review

Philip J. Gentlesk; Thor T. Markwood; J. Edwin Atwood

doi:10.1378/chest.125.1.297

Chronotropic Incompetence in a Young Adult: Case Report and Literature Review

Philip J. Gentlesk, Thor T. Markwood^*, J. Edwin Atwood

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

Chronotropic incompetence (CI) is the inability of heart rate response to meet metabolic demand. CI is associated with sinus node dysfunction, atrial fibrillation, or structural heart disease, and can lead to functional impairment. We report the case of a 34-year-old man with CI secondary to sinus node dysfunction who demonstrated significant improvement in functional capacity with rate-responsive pacing. Therapy for CI should be guided by the treatment of the underlying cause with consideration for rate-responsive pacing in symptomatic patients. The prognosis of CI is variable and dependent on underlying etiology.

Original language	English
Pages (from-to)	297-301
Number of pages	5
Journal	Chest
Volume	125
Issue number	1
DOIs	https://doi.org/10.1378/chest.125.1.297
State	Published - Jan 2004
Externally published	Yes

Keywords

Artificial pacemaker
Bradycardia
Heart rate
Sick sinus syndrome

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abstract = "Chronotropic incompetence (CI) is the inability of heart rate response to meet metabolic demand. CI is associated with sinus node dysfunction, atrial fibrillation, or structural heart disease, and can lead to functional impairment. We report the case of a 34-year-old man with CI secondary to sinus node dysfunction who demonstrated significant improvement in functional capacity with rate-responsive pacing. Therapy for CI should be guided by the treatment of the underlying cause with consideration for rate-responsive pacing in symptomatic patients. The prognosis of CI is variable and dependent on underlying etiology.",

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author = "Gentlesk, {Philip J.} and Markwood, {Thor T.} and Atwood, {J. Edwin}",

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AB - Chronotropic incompetence (CI) is the inability of heart rate response to meet metabolic demand. CI is associated with sinus node dysfunction, atrial fibrillation, or structural heart disease, and can lead to functional impairment. We report the case of a 34-year-old man with CI secondary to sinus node dysfunction who demonstrated significant improvement in functional capacity with rate-responsive pacing. Therapy for CI should be guided by the treatment of the underlying cause with consideration for rate-responsive pacing in symptomatic patients. The prognosis of CI is variable and dependent on underlying etiology.

KW - Artificial pacemaker

KW - Bradycardia

KW - Heart rate

KW - Sick sinus syndrome

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Chronotropic Incompetence in a Young Adult: Case Report and Literature Review

Abstract

Keywords

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