a b/mit-bih-ecg-compression-test-database-1.0.0/13687_03.hea 

  1
  
13687_03 2 250 5120





  
  

  2
  
13687_03.dat 212 400 12 0 10 16667 0 ECG





  
  

  3
  
13687_03.dat 212 400 12 0 225 -11808 0 ECG