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Data field dumps random (?) characters

MEL, SQL, Oracle

Last Post by Anonymous 1 second ago

5 Posts

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georgea

(@georgea)

Posts: 76

Estimable Member

Topic starter

Hi there, I am having some troubles with a BMI calculation that seems to be dumping (?) into the data field. Can someone take a look at this code and tell me what might be wrong, I have looked it over and cannot seem to locate the issue.

/*Calculate the BMI*/
{fn BMI_calc(){
local a,c,e,f
a = obsany("Height")
c = obsnow("Weight")

if (a=="" or c=="") then userok("There must be a previous Height and current Weight to calculate the BMI.") return "" else

if a=="" then "" else e = val(str(a)) endif
if c=="" then "" else f = val(str(c)) endif

return (f / 2.2) / ((e / 39.4)^2)
endif
}}

{fn VS_calc_BSA(a,b){
/* "a" is obsany("height"); "b" is obsnow("weight") */

if (a=="" or b=="") then userok("There must be a previous Height and current Weight to calculate the BSA.") return "" else "" endif

local f="",g=""
if a<>"" then f = val(str(a)) else "" endif
if b<>"" then g = val(str(b)) else "" endif
if str(f)=="" or str(g)=="" or f==0 or g==0 then return "" else return str(((g /2.2) ^.425) * ((f*2.54) ^.725) * (71.84/10000)) endif
}}

/*Set Global watchable variables*/
{! global OBS_NOW_LMP=OBSNOW("LAST MP")}{!
global OBS_NOW_HGB=OBSNOW("HGB")}{!
global OBS_NOW_HEIGHT=OBSNOW("HEIGHT")}{!
global OBS_ANY_HEIGHT=OBSANY("HEIGHT")}{!
global OBS_NOW_WEIGHT=OBSNOW("WEIGHT")}{!
global OBS_NOW_TEMPERATURE=OBSNOW("TEMPERATURE")}{!
global OBS_NOW_TEMP_SITE=OBSNOW("Temp site")}{!
global OBS_NOW_PULSE_RATE=OBSNOW("PULSE RATE")}{!
global OBS_NOW_PULSE_RHYTHM=OBSNOW("PULSE RHYTHM")}{!
global OBS_NOW_RESP_RATE=OBSNOW("RESP RATE")}{!
global OBS_NOW_BP_SYSTOLIC_SIT=OBSNOW("BP systolic")}{!
global OBS_NOW_BP_DIASTOLIC_SIT=OBSNOW("BP diastolic")}{!
global OBS_NOW_BMI=OBSNOW("BMI")}{!
global OBS_NOW_BSA=OBSNOW("BSA")}{!
global TRANS_CYCLEDAY}
{!IF OBSANY("LAST MP")<>"" then TRANS_CYCLEDAY=WEEKS_PREG(LASTOBSVALUE("LAST MP")) else "" endif}
{!IF DOCUMENT.VS_ENTERED_B<>"" THEN OBSNOW("VITALS BY",DOCUMENT.VS_ENTERED_B) ELSE "" ENDIF}

Posted : May 12, 2015 5:50 pm

SLHV

(@slhv)

Posts: 478

Honorable Member

I am not very familiar with MEL unfortunately. Can you provide an example of the output? The BMI function looks pretty straightforward to me.

Posted : May 13, 2015 3:31 am

georgea

(@georgea)

Posts: 76

Estimable Member

Topic starter

The outcome for some reason looks like this.

Height: 64 (?)

Weight: 150 (?)

And of course we have to remove the (?) in order for the BMI to calculate correctly, thanks for your help!

Posted : May 13, 2015 3:46 am

blackmanb

(@blackmanb)

Posts: 268

Reputable Member

Are your HEIGHT and WEIGHT obsterms containing any characters ? Like lbs or in ? If they do, you can use the VAL( ) function to strip out any characters before doing calculation. . a = VAL(obsany(“Height”)) c = VAL(obsnow(“Weight”)) . Also, change your comparisions to look for 0 now instead of blank. For example: if (a=0 or c=0) . Try that, see if it helps. . - Beverly

Posted : May 13, 2015 6:39 am

SLHV

(@slhv)

Posts: 478

Honorable Member

Beverly it looks like the code already does that, albeit in 2 steps. A and C are first set as strings, then E and F are set as the value of A and C respectively. Similar behavior in the second function.

Both functions appear to me to return a value. How you're getting a string isn't apparent here. Can you post the code that calls these functions?

Posted : May 13, 2015 7:05 am

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