a b/mit-bih-ecg-compression-test-database-1.0.0/12247_03.hea- 

  1
  
12247_03 2 250 5120





  
  

  2
  
12247_03.dat 212 400 12 0 3 10691 0 ECG signal 0





  
  

  3
  
12247_03.dat 212 400 12 0 82 9724 0 ECG signal 1