--- a
+++ b/files/05261.hea
@@ -0,0 +1,3 @@
+05261 2 250 9205760 12:00:00
+05261.dat 212 0 12 0 -127 -7174 0 ECG1
+05261.dat 212 0 12 0 -37 -19559 0 ECG2