Switch to side-by-side view

--- a
+++ b/ischemia_dataset/HR20970.hea
@@ -0,0 +1,19 @@
+HR20970 12 500 5000 04-Jun-2020 21:57:08
+HR20970.mat 16+24 200/mV 16 0 10 -5479 0 I
+HR20970.mat 16+24 200/mV 16 0 -20 -24403 0 II
+HR20970.mat 16+24 200/mV 16 0 -30 -18909 0 III
+HR20970.mat 16+24 200/mV 16 0 5 14873 0 aVR
+HR20970.mat 16+24 200/mV 16 0 20 7075 0 aVL
+HR20970.mat 16+24 200/mV 16 0 -25 -21358 0 aVF
+HR20970.mat 16+24 200/mV 16 0 235 -12222 0 V1
+HR20970.mat 16+24 200/mV 16 0 430 -4963 0 V2
+HR20970.mat 16+24 200/mV 16 0 405 662 0 V3
+HR20970.mat 16+24 200/mV 16 0 195 5352 0 V4
+HR20970.mat 16+24 200/mV 16 0 5 -1941 0 V5
+HR20970.mat 16+24 200/mV 16 0 -35 -6039 0 V6
+#Age: 58
+#Sex: Male
+#Dx: 164861001,164865005,164951009,39732003,427084000
+#Rx: Unknown
+#Hx: Unknown
+#Sx: Unknown