a b/mit-bih-ecg-compression-test-database-1.0.0/12531_03.hea 

  1
  
12531_03 2 250 5120





  
  

  2
  
12531_03.dat 212 400 12 0 102 -28607 0 ECG





  
  

  3
  
12531_03.dat 212 400 12 0 82 -30332 0 ECG