--- a
+++ b/wpw_dataset/HR21731.hea
@@ -0,0 +1,19 @@
+HR21731 12 500 5000 04-Jun-2020 21:57:08
+HR21731.mat 16+24 200/mV 16 0 -10 -7322 0 I
+HR21731.mat 16+24 200/mV 16 0 95 -7414 0 II
+HR21731.mat 16+24 200/mV 16 0 105 -61 0 III
+HR21731.mat 16+24 200/mV 16 0 -43 6491 0 aVR
+HR21731.mat 16+24 200/mV 16 0 -58 -3906 0 aVL
+HR21731.mat 16+24 200/mV 16 0 100 -4496 0 aVF
+HR21731.mat 16+24 200/mV 16 0 -50 -12518 0 V1
+HR21731.mat 16+24 200/mV 16 0 -95 -13703 0 V2
+HR21731.mat 16+24 200/mV 16 0 -85 -17253 0 V3
+HR21731.mat 16+24 200/mV 16 0 -70 -9819 0 V4
+HR21731.mat 16+24 200/mV 16 0 -45 -8137 0 V5
+HR21731.mat 16+24 200/mV 16 0 5 -16460 0 V6
+#Age: 61
+#Sex: Female
+#Dx: 164951009,39732003,426783006,74390002
+#Rx: Unknown
+#Hx: Unknown
+#Sx: Unknown