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--- a
+++ b/mit-bih-arrhythmia-database-1.0.0/118.hea
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+118 2 360 650000
+118.dat 212 200 11 1024 857 8669 0 MLII
+118.dat 212 200 11 1024 921 -25621 0 V1
+# 69 M 1456 653 x2
+# Digoxin, Norpace
+# The PVCs are multiform.