Switch to side-by-side view

--- a
+++ b/ischemia_dataset/HR21318.hea
@@ -0,0 +1,19 @@
+HR21318 12 500 5000 04-Jun-2020 21:57:08
+HR21318.mat 16+24 200/mV 16 0 345 -21036 0 I
+HR21318.mat 16+24 200/mV 16 0 160 -23432 0 II
+HR21318.mat 16+24 200/mV 16 0 -185 -2402 0 III
+HR21318.mat 16+24 200/mV 16 0 -252 22040 0 aVR
+HR21318.mat 16+24 200/mV 16 0 265 -8926 0 aVL
+HR21318.mat 16+24 200/mV 16 0 -12 -12668 0 aVF
+HR21318.mat 16+24 200/mV 16 0 -1045 -15805 0 V1
+HR21318.mat 16+24 200/mV 16 0 -1520 -17529 0 V2
+HR21318.mat 16+24 200/mV 16 0 -1530 30178 0 V3
+HR21318.mat 16+24 200/mV 16 0 -1000 31542 0 V4
+HR21318.mat 16+24 200/mV 16 0 -55 -31172 0 V5
+HR21318.mat 16+24 200/mV 16 0 280 -21921 0 V6
+#Age: 58
+#Sex: Male
+#Dx: 164861001,164873001,426783006
+#Rx: Unknown
+#Hx: Unknown
+#Sx: Unknown