a b/mit-bih-ecg-compression-test-database-1.0.0/11950_02.hea- 

  1
  
11950_02 2 250 5120





  
  

  2
  
11950_02.dat 212 400 12 0 -17 -32020 0 ECG signal 0





  
  

  3
  
11950_02.dat 212 400 12 0 100 -23694 0 ECG signal 1