The blood pressure showed incorrect

1.Possible cause:the machine end connection incorrect                                      Solution:Connect the ends of the machine

2.Possible cause:patient is shaking                                                                     Solution:patient stop to shake and  has remained relatively static

3.Possible cause:repeated test in a short time                                                     Solution:re-test after 15minutes

4.Possible cause: host exception                                                                        Solution:replace the host

5.Possible cause:Testing parts of the sleeves tied up is incorrect                      Solution:According to the icon shows and binding the position of cuff

5. Possible cause:selected a wrong size of cuff                                                  Solution:to select a suitable cuff according to patient and machine