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Response of blood pressure and heart rate to intravenous infusion and injection of cardiac stimulants. Systolic blood pressure (Systolic) and diastolic blood pressure (Diastolic) were monitored continuously by an invasive method. Heart rate was calculated from ECG. Points represent average values over a 30 sec period. Data shown as mean and SD. *p < 0.05, **p < 0.01: significant increase / decrease. IBP, invasive blood pressure; HR, heart rate; ECG, echocardiogram.
