PATHOPHYSI 261

Chapter 1: Introduction to Pathophysiology  Etiology: the study of causes/reasons for phenomena o Identifies casual factors acting in concert that provoke a particular disease or injury  Idiopathic: the cause is unknown  Iatrogenic: the cause results from unintended or unwanted medical treatment  Stages and Clinical Courses: o Prodromal: time during which first signs and/or symptoms appear or onset of disease occurs  Prodromal symptoms often are nonspecific, such as headac...