1. An integrated system for interpreting the results of an exercise test being performed on a patient by a clinician, said system comprising: a patient monitor that receives a plurality of physiological parameter data from the patient during the exercise test; a rule database comprising a plurality of exercise test interpretation rules with physiological parameter data value criteria, wherein a plurality of combinations of one or more of the exercise test interpretation rules define a pathological condition; a rule interpreter that receives the plurality of exercise test interpretation rules from the rule database and the plurality of physiological parameter data from the patient, wherein the rule interpreter evaluates the plurality of exercise test interpretation rules with the plurality of physiological parameter data from the patient and produces an interpretation statement and a reasoning text for each exercise test interpretation rule for which the physiological parameter data value criteria is fulfilled; and an exercise test interpretation display that receives the interpretation statement and the reasoning text from the rule interpreter and presents the interpretation statement and the reasoning text associated with the interpretation statement, wherein the interpretation statement is a textual description of a pathological condition afflicting the patient as identified by the fulfillment of one or more physiological parameter data value criteria, and the reasoning text is a textual description of the combination of one or more exercise test interpretation rules for which the physiological parameter data value criteria was fulfilled to result in the received interpretation statement.