Information technology is diversing in healthcare and with it raises the need to diverse the evaluation as well. Individual impacts are often neglected when evaluating IT at work. Healthcare is a stressful sector and besides the traditional stress, exposed to IT related stress due its structure and personnel. In this paper some general needs for re-evaluating of IT evaluation are addressed. Moreover a new perspectiv- IT related stress- is presented to broad the evaluation. The main purpose of this paper is to develop a theoretical model based on widely used TAM-model to evaluate IT stress as a factor of IT acceptance.