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Hyperdynamic Myocardial Response to Beta-Adrenergic Stimulation in Patients With Chest Pain and Normal Coronary Arteries

Juraj Madaric, MD^_*, Jozef Bartunek, MD, PhD^_*, Katia Verhamme, MD, PhD, Martin Penicka, MD^_*, Eddy Van Schuerbeeck, RN^_*, Paul Nellens, MD^_*, Guy R. Heyndrickx, MD, PhD^_*, William Wijns, MD, PhD^_*, Marc Vanderheyden, MD^_* and Bernard De Bruyne, MD, PhD^_*,_*

^_* Cardiovascular Centre Aalst, OLV Clinic, Aalst, Belgium
Department of Epidemiology, OLV Clinic, Aalst, Belgium

View larger version (104K): [in a new window]   Figure 1 Example of a high-pulsed repetition Doppler flow velocity recording in the left ventricular outflow tract. Abnormal intraventricular flow velocities were defined as a dagger-shaped Doppler spectrum 3 m/s.

View larger version (17K): [in a new window]   Figure 2 Baseline and dobutamine-induced intraventricular flow velocities in control patients and in patients with chest pain. AL = angina-like.

View larger version (22K): [in a new window]   Figure 3 Abnormal intraventricular flow velocities and angina score in 14 patients with angina-like chest pain before and after a treatment with 10 mg bisoprolol. IFV = intraventricular flow velocities.