--- a
+++ b/files/chf01.hea
@@ -0,0 +1,4 @@
+chf01 2 250 17994491 10:00:00
+chf01.dat 212 0 12 0 127 17579 0 ECG1
+chf01.dat 212 0 12 0 -128 21162 0 ECG2
+#Age: 71  Sex: M  NYHA class: III-IV