a b/mit-bih-ecg-compression-test-database-1.0.0/11950_05.hea 

  1
  
11950_05 2 250 5120





  
  

  2
  
11950_05.dat 212 400 12 0 22 32749 0 ECG





  
  

  3
  
11950_05.dat 212 400 12 0 -1 23545 0 ECG