Keep it simple stupid.

TPNassist© support FAQ's

FAQ is an acronym for Frequently Asked Question. This page is intended to provide answers to common questions, along with some useful tips and tricks that are presented as questions.

Click on the question to reveal the answer (requires JavaScript).

 

 


General questions

On the TPN entry, the 24 hour rate is calculated from the base solution volume (for continuous infusion over 24 hours). Would it not be appropriate to divide the TOTAL volume (electrolytes, etc.) by 24 hours?

That is a point of contention for some pharmacists. Some are from the school that uses the electrolytes as "overfill", to account for tube/pump priming, and to give a little cushion between bags, so you're not rushed to mixed a new bag if it runs in a little too fast, etc. Basically it's the same thing as using a pre-mixed IV, as manufacturers routinely overfill IV bags by 5 to 10%.

The system requires patient height/weight before a new patient can be entered, in home care/LTC this info is not initially available.

TPNassist© is a clinically-oriented program. You enter the patient data first, then create a nutrition Rx specifically for that patient, based on their estimated nutritional requirements. It's analogous to dosing drugs without knowing ht/wt, and giving every patient the same dose of gentamicin (80mg Q 8 hours).

My patient is bedridden and I cannot obtain his/her height, what should I do?

Good question. A patient may also have scoliosis or severe contractions that prevent a true height measurement. There are (at least) three methods that may be used to estimate height when actual measurement is not possible: knee height, forearm length and demi-span.

Does TPNassist© interface with our Pharmacy Information System?

TPNassist© may be interfaced with a PIS, using our open interface specification. Please contact your PIS vendor to request implementation.

What size label does TPNassist© require?

The default TPNassist© label is 5" wide by 5" high (perf to perf).

New to version 2.4.13 is the ability to change the label width.

The TPN label is cut off on the left and/or right side on our new printer. How do we adjust the print position?

You have the ability to set the left margin and the label width on the setup window (see below).
TPNassist label setup

The default settings are 0.35 inch left margin and 5.0 inch width. Experiment with these settings to fit the text output to your new printer.

How and where do I download and install the update?

TPNassist© has had a built-in update checker since version 2.3.10, it is accessed via the Help menu:
TPNassistupdate

There are three steps to the web update process, and there are three buttons on the web update dialog which correspond to the three steps.
Web update

  1. Click Check for updates to access the RxKinetics web site to check for available updates. If an update is available, the "Download" button will be activated.
  2. Select an update from the list by clicking on the check box next to the description, then click the Download updates button to proceed. If the download was successful, the "Install" button will be activated.
  3. A running program cannot be replaced.
    Therefore, you must exit TPNassist before installing an update. Web update will not proceed with the install step until you close TPNassist.
    After you have closed the TPNassist program, click the Install updates button to begin the update process.

Where do I find what functions have changed in the latest version?

 


Problem solutions

We need to reinstall TPNassist© on our new computer, how do we transfer our current patient from our old computer?

Step-by-step instructions for re-installing TPNassist©:

  1. Copy these data files from your current install folder (usually c:\program files\tpn) to a temporary folder, a floppy disk or any other removable media:
    • tpnasist.ini
    • tpnasst.mdb
  2. Install TPNassist© onto your new computer from the original installation CD.
  3. Copy the data files saved in step 1 to the install folder in your new computer.
  4. Download and install the latest update patch from the website.

I use Windows XP, some of the fields are missing, or difficult to read.

Windows XP introduced the theme concept to Windows. Unfortunately the default theme in XP is the "Fisher Price" desktop with cartoon-like icons and a large Arial font. This font is too large for the TPNassist© screens. Change to the "Classic" theme, this uses a smaller font, and it also gives your screen a more professional look and feel. To select a different theme:

  1. Click Start
  2. Point to Settings
  3. Click Control Panel
  4. Double-click Display.
  5. On the Themes tab, under Theme, Select "Windows Classic"
  6. Click "OK"

When we print reports, the preview window is blank. The reports print out okay, the only problem is we are unable to preview them before printing.

There is a known issue with dDoc on some video cards (driver problem) where the card is set to 24-bit or 32-bit color. This issue causes a *blank* preview window to display initially. Clicking on the window to resize the preview will display the previewed document. Also, clicking the print button will print the report just fine (it's a video-only problem).

One work around for this is to set the color depth in the video display settings down to 16-bit color (this is a faster mode anyway, with very little difference in video quality).

Otherwise, you may download the updated dDoc print engine here:

On Windows 7 (or Vista) the F1 key for help is not working. Also we cannot access TPNassist© help via the Help button.

This issue has been resolved in the latest version of TPNassist©. You no longer need WinHlp32.exe. If you are experiencing this problem, please update your TPNassist© installation.

When attempting to access the product help, you may see a message similar to this one:

Help error

Beginning with Windows Vista, the Windows Help program (WinHlp32.exe) is no longer included with Windows. Microsoft prohibits redistribution of the Windows Help program.

Does TPN assist© run on 64-bit Windows 7?

Yes.

All versions of 64-bit Windows (XP, Vista, 7, 8, 8.1) are able to run 32-bit programs seamlessly through WOW64 which is provided with the operating system and does not have to be explicitly enabled. In other words, it's 100% automatic. (Ref: Microsoft)

According to Microsoft, 32-bit software running under WOW64 has a similar performance when executing under 32-bit Windows. (Ref: Microsoft)

 


Troubleshooting TPNassist© error messages

Error 0 "Unable to initialize the print/preview engine"

This is caused by missing or improperly installed dDoc print preview engine. Please reinstall from the CD, or download from the web site.

Error 20 "Unanticipated error in the object ddoc.bas"

This error too is caused by missing or improperly installed dDoc print preview engine. As above, please reinstall from the CD, or download from the web site.

Error 48 "File not found: ddoc32.dll"

Again, this error is caused by missing or improperly installed dDoc print preview engine. As above, please reinstall from the CD, or download from the web site.

Error 91 "Object variable or with block variable not set"

Error 91 is caused by a missing or incorrectly installed component required by TPNassist©.

  • If this is a new install, then there was an error during the installation. Please reinstall from the CD.
  • If this is a new problem on a previously working PC, then another software application you recently installed may have corrupted the Windows registry. To fix this problem: first re-install TPNassist© from the original install disks or CD, then download and install the latest update.

If the error persists, please download the TPNassist component checker program. Clicking the "Register" button on the component checker usually fixes the problem.

Error 339 "Component 'DXDBGRID.DLL' or one of its dependencies is not correctly registered."

DXDBGRID.DLL is a "helper" program used by TPNassist©. As stated in the error message, it is either missing or the Windows registry has "misplaced" it.

You may download the missing file here:

Installation fails with error message "msdart32.dll is missing" when trying to install the program on my Windows XP system.

We have found that some Windows XP Home systems were shipped without the latest data access components from Microsoft. The quickest solution is to copy the file yourself. You will need to be logged in with admin privileges. Next, get the DOS window on screen (you will find the DOS prompt shortcut in your Start menu). Then type the following lines at the DOS prompt, pressing enter after each line:

  1. cd \windows\system32
  2. copy msdart.dll msdart32.dll
You could also accomplish the same with Windows Explorer. Navigate to the system32 folder then select, copy, and rename the msdart.dll file.

TPNassist crashes intermittently on Windows Vista with the message "program has stopped".

This problem is caused by third-party components which are not fully Vista-compatible.

On most Vista PC's, turning off Data Execution Prevention on TPNassist will fix this problem.

FYI, this issue does not appear with Windows 7 or 10.


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This page was last modified on November 08 2017

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