<P> Margo McCaffery is an American registered nurse and pioneer of the field of pain management nursing . McCaffery 's oft - quoted definition of pain as `` whatever the experiencing person says it is , existing whenever and wherever the person say it does '' has become the prevailing conceptualisation of pain for clinicians over the past few decades . </P>
<P> Margo McCaffery is an American registered nurse and pioneer of the field of pain management nursing . McCaffery 's oft - quoted definition of pain as `` whatever the experiencing person says it is , existing whenever and wherever the person say it does '' has become the prevailing conceptualisation of pain for clinicians over the past few decades . </P>
who said pain is what the patient says it is
who said pain is what the patient says it is
Margo McCaffery
Margo McCaffery