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Fig. 1 | Sports Medicine - Open

Fig. 1

From: Beta-Adrenergic Receptor Blockade Effects on Cardio-Pulmonary Exercise Testing in Healthy Young Adults: A Randomized, Placebo-Controlled Trial

Fig. 1

Chronotropic response during and after an incremental exercise. Heart rate (HR) measurements were reported at rest, at the ventilatory threshold, at maximal exercise, after 1 and 2 min of recovery. The slope of the HR vs oxygen consumption (VO2) measured during CPET is negatively impacted by the intake of 2.5 or 5.0 mg of bisoprolol (dose response). Bisoprolol also increased the HR recovery after 1 min (difference between maximal HR and HR measured 1 min after the end of maximal exercise), but not after 2 min under β1-blockade compared to placebo. No difference between 2.5 and 5.0 mg of acute bisoprolol intake were observable

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