change in calculated blood pressure change in heart rate to change in mean arterial blood pressure ratio 2014-01-07T16:51:06Z Average slope of the line defined by the change in heart rate (the number of contractions of the cardiac ventricles per unit of time) relative to the change in mean arterial blood pressure (the average force the blood exerts on an artery wall) over time and/or in response to a change in conditions. CMO:0002036 JSmith VT:2000009 baroreceptor reflex sensitivity change in HR to change in MAP ratio clinical_measurement_ontology calculated heart rate measurement calculated mean arterial blood pressure measurement