rating of perceived exertion
Pronunciation: rat'ing per-sevd egz-er'shun
Subjective numeric rating (range 6–19) of exercise intensity based on how a subject feels in relation to level of physiologic stress. An RPE of 13 or 14 (exercise that feels “somewhat hard”) coincides with an exercise heart rate of about 70% maximum.
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Examples: glitazone, GI cocktail, etc.