Research Article

Fuzzy Linguistic Protoforms to Summarize Heart Rate Streams of Patients with Ischemic Heart Disease

Figure 4

A timeline with the degrees of the term (dotted line) and protoform most of the time HR is adequate for around 30-50 minutes (thick line) on a real HRS. Based on its semantics, the degree of the protoform increases when the patient has maintained an adequate HR for 30 minutes.