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Look-Alike, Sound-Alike (LASA) &
Error-Prone Abbreviations
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Learning Objectives
• Define LASA Drugs
• Improve Awareness of LASA Drugs
• Share our experiences
• Identify Error-prone abbreviations
• Identify strategies to minimize risks
• Identify strategies to improve
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Look-Alike Medications
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Sound-Alike:
Prescribed Given ADE
LOSEC (omeprazole)
LASIX (furosemide) Death
Morphine HYDROmorphone Respiratory Arrest, Death
ChlorproMAZINE ChlorproPAMIDE Anoxic Brain damage from
sustained hypoglycemia
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Similar Packaging / Poor Design
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Strategies to Minimize Risks
• Awareness of LASA drug names (APP 1429-02)
• Complete prescription (dose, strength, etc.)
• Prescriber documents indication for medication
• Computerized Prescriber Order Entry (CPOE)
• Verbal & Telephonic orders permitted in emergent or urgent situations
• Use of generic names
• Medication segregation
• Use of TALL man lettering
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Preventative Strategies
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Improve Readability
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Critical Information in the Same Field of Vision on at least Three Non-opposing Faces
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Trademark Suffixes
Suffixes are placed after the stem of a word. It may be a letter, number or combination of letters and / or numbers (e.g., SR, LA, CR, ER, XL).
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32218
CeFAZolin 1 gram injection LASA
32275
CefTAZidime 1 gram injection LASA
32271
CefTRIAXone 1 gram injection LASA
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APP 1427-16 Error-Prone Abbreviations, Symbols, and Dose Designations
• Refers to abbreviations, symbols, or dose designations that have been shown to cause errors and compromises patient safety.
• Orders that are illegible or
contain Error-Prone abbreviations will be carried out
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Error-Prone Abbreviations DO NOT USE USE
U Unit
IU International Unit
Q.D, QD, q.d, qd Daily
Q.O.D, QOD, q.o.d, qod Every other day
Trailing zero (X.0) X mg
Lack of leading zero (.X) 0.X mg
MSO4 Morphine sulfate
MgSO4 Magnesium sulfate
µg mcg
cc ml
D/C “Discharge” or “Discontinue”
HS “Half strength” or “bedtime”
SC, SQ, sub q “ subcut” or “subcutaneous”
> and < “greater than” or “less than”
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The pweor of the hmuan mnid
Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in what oredr the ltteers in a wrod are. The olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a total mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. Amzanig huh?
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Legibility!
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Insulin “U” vs. “Unit”
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Medication Names Must Not be Abbreviated
AZT Zidovudine
Mistaken as Azathioprine or Aztreonam
“Nitro” drip Nitroglycerin infusion
Mistaken as Sodium Nitroprusside infusion
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