--- a
+++ b/frontend/src/app/services/analyzer.service.ts
@@ -0,0 +1,25 @@
+import {Injectable} from '@angular/core';
+import {HttpClient} from '@angular/common/http';
+import {Observable} from 'rxjs';
+import {environment} from '../../environments/environment';
+
+const baseUri = environment.backendUrl;
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AnalyzerService {
+  constructor(
+    private http: HttpClient,
+  ) { }
+
+  /**
+   * Analyze an admission note.
+   *
+   * @param note to analyze
+   * @return observable list of diseases
+   */
+  analyzeNote(note: string): Observable<any> {
+    return this.http.post<any>(baseUri + '/extract_entities', note);
+  }
+}