1. Calculation Basics
By Nick Felts

2. Objectives
This section will answer the following questions regarding calculations.
Why do I want it?
Where do I put it?
How do I write it?

3. Why do I want them? Because you can Automatically…
Result a test using results from other tests
BUN/CREAT ratio
Calculate corrected WBC based on NRBC’s
Cancel a test
"."
Attach interpretive comment to a result

4. Where do I put it? Three places Individual test RBS Canned messages
240 characters
RBS
255 characters
Multiple time frames
Canned messages
>240 characters
ID entered in individual test or RBS as <<CANID>>

5. How do I write it? First a few Rules! Only individual tests
All tests included in calculation must be in same order
Except RBS rules!
Must follow SYNTAX
No special characters in Test Codes!
Occurs at Posting

6. How do I write it? Two Main Types Basic Math True/False
Remember order of operations from Algebra?
+ - * /
True/False
If this happens? Then do this: Otherwise do this

7. Basic Math Follow the Syntax… @ = numeric result
= numeric result of test GLU
+ , - , * , /

8. Basic Math BUN/CREAT Ratio Absolute lymphs Urine albumin @BUN/@CREAT
@LYMPT *
Urine albumin

9. (@UCRE1/@CREA1)*(@UVOL/(@UPER*60))*(1.73/@UBSA)
Basic Math
Creatinine Clearance

10. True/False Calculations
True/false statement allows:
An action based on a “true” statement.
A different action based on a “false” statement
Follow the Syntax
If this happens? Then do this: Otherwise do this
"Alphanumeric characters"
>,<,>=,<=,==,!=,&&,||

11. True/False Calculations
@DIG<0.2? "NONE DETECTED"
@DIG<0.2? "<0.2"

12. True/False Calculations
@DIG<0.2?

13. True/False Calculations
+ " @CM"

14. True/False Calculations
@MONEY>= ? " HAPPY " : " SAD "
@ETOH<=0.8? " LET GO":"ARREST"
Equal to
Not equal to
" . "

15. True/False Calculations
@HGB<5 "BAD" : "GOOD"
"BAD" : "GOOD"

16. True/False Calculations
More Syntax!
=Alphanumeric result
i.e.- = the alphanumeric result of UCOL
@DIG<0.2? "<0.2"
What if result was “>5”
@DIG<0.2? "<0.2"

17. True/False Calculations
More Syntax! ,
If calculation has error
"."
@SEGA

18. True/False Calculations
Nested Calculations
String together multiple true/false statements
For every ? there must be a :
Group together statements with parentheses
Every “(“ must have matching “)”

19. True/False Calculations
@SWTN":
@SWTP":

20. True/False Calculations
"Not Indicated"))))))

21. Reading Practice!

22. @TRIG>400? "." :@CHOL*(@HDL+(@TRIG/5))
Reading Practice!
@TRIG>400? "."

23. @ALB> 39.0 ? " @CALA" : @CAL+((40-@ALB)*0.025)
Reading Practice!
@ALB> 39.0 ? "

24. ((@CKMB/@CK)*100)>25?" @ACK":(@CKMB/@CK)*100
Reading Practice!

25. Tips… Write it out first Test all possible answers!!!! Syntax error
Something was missed
Come to my Advanced Calculations class!!

26. Questions?