Switch to side-by-side view

--- a
+++ b/ischemia_dataset/HR07266.hea
@@ -0,0 +1,19 @@
+HR07266 12 500 5000 04-Jun-2020 15:11:55
+HR07266.mat 16+24 200/mV 16 0 -225 -11354 0 I
+HR07266.mat 16+24 200/mV 16 0 -215 -21982 0 II
+HR07266.mat 16+24 200/mV 16 0 10 -10603 0 III
+HR07266.mat 16+24 200/mV 16 0 220 16837 0 aVR
+HR07266.mat 16+24 200/mV 16 0 -117 -92 0 aVL
+HR07266.mat 16+24 200/mV 16 0 -102 -16048 0 aVF
+HR07266.mat 16+24 200/mV 16 0 5 -9847 0 V1
+HR07266.mat 16+24 200/mV 16 0 -25 -21601 0 V2
+HR07266.mat 16+24 200/mV 16 0 -55 12178 0 V3
+HR07266.mat 16+24 200/mV 16 0 -135 -4663 0 V4
+HR07266.mat 16+24 200/mV 16 0 -85 -8825 0 V5
+HR07266.mat 16+24 200/mV 16 0 -85 -5359 0 V6
+#Age: 79
+#Sex: Female
+#Dx: 164861001,164873001,426783006
+#Rx: Unknown
+#Hx: Unknown
+#Sx: Unknown