Switch to side-by-side view

--- a
+++ b/ischemia_dataset/HR12881.hea
@@ -0,0 +1,19 @@
+HR12881 12 500 5000 04-Jun-2020 21:57:08
+HR12881.mat 16+24 200/mV 16 0 -255 -17022 0 I
+HR12881.mat 16+24 200/mV 16 0 -125 13656 0 II
+HR12881.mat 16+24 200/mV 16 0 130 30688 0 III
+HR12881.mat 16+24 200/mV 16 0 190 -31209 0 aVR
+HR12881.mat 16+24 200/mV 16 0 -192 -23733 0 aVL
+HR12881.mat 16+24 200/mV 16 0 2 -10823 0 aVF
+HR12881.mat 16+24 200/mV 16 0 145 14026 0 V1
+HR12881.mat 16+24 200/mV 16 0 125 12091 0 V2
+HR12881.mat 16+24 200/mV 16 0 -25 -3864 0 V3
+HR12881.mat 16+24 200/mV 16 0 10 -7377 0 V4
+HR12881.mat 16+24 200/mV 16 0 35 -7594 0 V5
+HR12881.mat 16+24 200/mV 16 0 -45 -18083 0 V6
+#Age: 84
+#Sex: Female
+#Dx: 164861001,164873001,426783006,429622005
+#Rx: Unknown
+#Hx: Unknown
+#Sx: Unknown