1. Advanced Calculations
By Nick Felts

2. Objectives
This course will attempt to cram the following subjects into your brain…
Variables
Functions
Preservation of historical results
Looping
Suggested pre-requisite
Calculations for beginners
Coffee!

3. Variables $N:=@FISH+10; @FISH>30?@FISH:
$N+
One letter code to represent a calculation
Useful in long calculations or when the same expression is used multiple times

4. Variables $C:=@CAT+@DOG; $A:=@LOW+@HIGH; 186*$C*$A Same as…
Pommegrannite

5. Functions
Pre-defined commands that are used to perform a designated operation
POW
GETDBF
MATCH
Follow the Syntax!
Each Function is unique.

6. POW POW(.45*@WT,.425)*POW(2.54*@HT,.725)/139.3 POW( base , exponent )

7. ANY ANY(@TEST) or #@TEST Looking to see if test has been ordered+
Same as +

8. ANY Turn into Not statement using “!”+
Same as +

9. STRCOMM STRCOMM("ORD_COM", "Diabetic") PAT_COM STAY_COM ORD_COM
STRCOMM( "STAY_COM", "Platelet clumper")&&

10. GETDBF GETDBF("field") Available fields ->
DBFLD (stop using this on 4.0 lines!)
Available fields
Sex
Race
Age
Ward
Doctor
Many more….

11. GETDBF("SEX")=="F"?@TESTO+" @CM":@TESTO

12. $A:=POW(((@CREAT->"AGE")/365.25),0.203)
                               

13. MATCH("*@ADA1*",$@GLUFS)?$@GLUFS:
MATCH( "what" , where )
Can use wild card *
@ADA1"

14. MATCH MATCH("Heparin",$@ACOAG)|| MATCH("Coumadin",$@ACOAG)?

15. MATCH MATCH("<100",$@NA)|| MATCH("<150",$@CL)|| ? :

16. MATCH MATCH("Negative",$@ULEUC)?$@ULEUC: $@ULEUC+" @UCMD "

17. Preserving Historical Results
2 ways
GETDBF
GETDBF("ACCDATE")> ? "New
MESEXPDATE
MESEXPDATE("CMID",GETDBF("ACCDATE"));<<CMID>>
MESEXPDATE("NICK",GETDBF("ACCDATE"));<<NICK>>

18. Looping 3 Types 3 solutions Cyclic dependencies Change precision
Absolute Expression
Keep adding canned message
3 solutions
Build separate test
Canned message
STRSTR or MATCH function

19. Cyclic dependencies
Problem
Test HGB contains calculation…
@HGB/3

20. Cyclic dependencies Solutions Build a new test Add @L HGBI
HGB (reportable)
@HGBI/3
@L"

21. Changing Precision Problem Alphanumeric Test contains calculation
.25 becomes

22. Changing Precision Solution Build the test as Numeric Add @L
@VZV>0.8&&

23. Absolute Expression Problem Numeric Results changed to Alphanumeric
@TST>5?"POSITIVE": "NEGATIVE"
Result will always be NEGATIVE

24. Absolute Expression Solutions Build a new test TSTI TST (reportable)
@TSTI>5?"POSITIVE": "NEGATIVE"

25. Continuously Adding Canned Messages
Problem :

26. Continuously Adding Canned Messages
Solution
MATCH
@COUM":
STRSTR ==

27. Complicated Examples!

28. GFR Many variations Setup Create task for assistance
Do you always receive race?
Interpretive comments?
Setup
Canned Messages
For extra characters and ease of expiration
Create task for assistance

29. One Test – No Comments $F:=GETDBF("SEX")=="F"?0.742:1;
$B:=GETDBF("RACE")=="B"?1.21:1);
*$F*$B;
$X>60?">60":$X

30. One Test – Adding Comments
$F:=(GETDBF("SEX")=="F"?0.742:1);
$B:=(GETDBF("RACE")=="B"?1.21:1);
$V:=186*
$X:=$V>60?">60":$V;
$A<20?$X:
(($A>=20 && $A<30) ? $X + :
(($A>=30 && $A<40) ? $X + :
(($A>=40 && $A<50) ? $X + :
(($A>=50 && $A<60) ? $X + :
(($A>=60 && $A<70) ? $X + :
(($A>=70) ? $X + :$X)))))),$X

31. Tips… Test all possible answers Combat looping
Don’t cut and paste from s or Word
Use Notepad

32. Questions?