a b/mit-bih-ecg-compression-test-database-1.0.0/11950_03.hea- 

  1
  
11950_03 2 250 5120





  
  

  2
  
11950_03.dat 212 400 12 0 -38 4419 0 ECG signal 0





  
  

  3
  
11950_03.dat 212 400 12 0 52 5642 0 ECG signal 1