Variability of inotropic and chronotropic response during dobutamine stress echocardiography and possible implications for diagnostic accuracy

Variability of inotropic and chronotropic response during dobutamine stress echocardiography and possible implications for diagnostic accuracy

Chronotropic and inotropic response patterns were assessed during dobutamine stress echocardiography. Three heart rate response patterns were noted: nonresponders (48% of patients), slow responders (30% of patients), and fast responders (21% of patients). There was no relation between heart rate and...

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Veröffentlicht in:The American journal of cardiology 2003-12, Vol.92 (12), p.1451-1454
Hauptverfasser: Chenzbraun, Adrian, Potekhin, Marina, Dreyfuss, Michel, Alper-Gendelman, Tova, Kott, Frida, Keren, Andre
Format: Artikel
Sprache:eng
Schlagworte:
Adult
Age Factors
Aged
Aged, 80 and over
Atropine
Biological and medical sciences
Cardiology. Vascular system
Cardiotonic Agents - pharmacology
Cardiovascular disease
Coronary Disease - diagnosis
Coronary heart disease
Dobutamine - pharmacology
Dose-Response Relationship, Drug
Echocardiography, Stress
Female
Heart
Heart Rate - drug effects
Humans
Male
Medical diagnosis
Medical sciences
Middle Aged
Parasympatholytics
Prospective Studies
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Zusammenfassung:Chronotropic and inotropic response patterns were assessed during dobutamine stress echocardiography. Three heart rate response patterns were noted: nonresponders (48% of patients), slow responders (30% of patients), and fast responders (21% of patients). There was no relation between heart rate and contractile response.
ISSN:0002-9149
1879-1913
DOI:10.1016/j.amjcard.2003.08.058