--- a
+++ b/ischemia_dataset/HR20421.hea
@@ -0,0 +1,19 @@
+HR20421 12 500 5000 04-Jun-2020 21:57:08
+HR20421.mat 16+24 200/mV 16 0 -5 -3987 0 I
+HR20421.mat 16+24 200/mV 16 0 -40 -13495 0 II
+HR20421.mat 16+24 200/mV 16 0 -35 -9534 0 III
+HR20421.mat 16+24 200/mV 16 0 23 9443 0 aVR
+HR20421.mat 16+24 200/mV 16 0 15 3298 0 aVL
+HR20421.mat 16+24 200/mV 16 0 -37 -10896 0 aVF
+HR20421.mat 16+24 200/mV 16 0 10 -10620 0 V1
+HR20421.mat 16+24 200/mV 16 0 30 -9750 0 V2
+HR20421.mat 16+24 200/mV 16 0 30 -17086 0 V3
+HR20421.mat 16+24 200/mV 16 0 30 4068 0 V4
+HR20421.mat 16+24 200/mV 16 0 15 -12050 0 V5
+HR20421.mat 16+24 200/mV 16 0 -20 -9575 0 V6
+#Age: 74
+#Sex: Female
+#Dx: 164861001,164865005,164873001,426783006
+#Rx: Unknown
+#Hx: Unknown
+#Sx: Unknown