In the U.S. in 2014 less than 5 girls were given the name. Less than 5 boys were given the name. View the Monna Name Popularity Page to see how the popularity trend for Monna has changed since 1880, or to compare the popularity of Monna to other names. Monna is a variant spelling of Mona.n the U.S. in 2014 less than 5 girls were given the name. Less than 5 boys were given the name. View the Monna Name Popularity Page to see how the popularity trend for Monna has changed since 1880, or to compare the popularity of Monna to other names. Monna is a variant spelling of Mona.
1 2. 2. 2  The average duration of the QRS complex in 100 normal adults was 0.0777 second. 3  Fifty of the patients were males with an average duration of the QRS time interval of 0.0833 second, and 50 were females with a shorter time interval of 0.0722 second.
Here are some simple steps on how to measure the QRS complex: Find the QRS on the EKG strip. Determine where the QRS complex is, and to do this you start measuring the END of the PR interval to the END of S-wave. Count the SMALL boxes between there measurements. Remember each box represents 0.04 seconds. So, if you measure 2 boxes the measurement of the QRS complex would be 0.08.