Even so, high - intensity training is not just a measure of short bursts of training at high heart rates, it can be interpreted to incorporate elements of time as well. (verywellfit.com)
This was done in the case of hospitals with high heart - patient mortality rates that «fixed» the problem by simply no longer taking such cases. (educationnext.org)
This week I've been having a lot of heart testing for those of you who follow my crazy journey since the marathon with my excessively high heart rate. (kneadtocook.com)