Using a Null Sign to Mean Negative in Medical Records

When I draw or make diagram for the results of my physical examination findings in a medical record, I use the null sign to mean negative. Before I use these two symbols: (+) to mean positive and (-) to mean negative.  I now use the null sign instead of (-) , one because of the…

March, 2014

Using a Null Sign to Mean Negative in Medical Records

March, 2014