Keywords: laboratory, lipid, toxicology (PubMed Search)
The American Academy of Clinical Toxicology's Lipid Emulsion workgroup has published its first of 4 systematic reviews on the use of lipid emulsion in toxicology, this one on lipid's effect on laboratory analyses.  As expected, administering a fat bolus can significantly alter labs drawn subsequently.
The key point: If you are considering lipid for overdose, draw labs prior to giving it.
Which labs are affected? Most. Here's a helpful mnemonic courtesy of Dr. Kyle DeWitt.
Also remember to give lipid in its own line. It isn't compatable with most resuscitation drugs. 
Follow me on Twitter (@PharmERToxGuy)