Switch to side-by-side view

--- a
+++ b/ischemia_dataset/HR15970.hea
@@ -0,0 +1,19 @@
+HR15970 12 500 5000 04-Jun-2020 21:57:08
+HR15970.mat 16+24 200/mV 16 0 -25 -22187 0 I
+HR15970.mat 16+24 200/mV 16 0 -200 -18994 0 II
+HR15970.mat 16+24 200/mV 16 0 -175 3188 0 III
+HR15970.mat 16+24 200/mV 16 0 113 20367 0 aVR
+HR15970.mat 16+24 200/mV 16 0 75 -12494 0 aVL
+HR15970.mat 16+24 200/mV 16 0 -187 -7933 0 aVF
+HR15970.mat 16+24 200/mV 16 0 -90 -19109 0 V1
+HR15970.mat 16+24 200/mV 16 0 -570 10399 0 V2
+HR15970.mat 16+24 200/mV 16 0 105 -6141 0 V3
+HR15970.mat 16+24 200/mV 16 0 10 1407 0 V4
+HR15970.mat 16+24 200/mV 16 0 -230 -7921 0 V5
+HR15970.mat 16+24 200/mV 16 0 355 -5941 0 V6
+#Age: 78
+#Sex: Female
+#Dx: 164861001,164865005,164873001,164917005,164947007,426783006,429622005
+#Rx: Unknown
+#Hx: Unknown
+#Sx: Unknown