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Contaminant identification: the importance of thorough interviewing techniques
R Mrvos1, B Swanson-Biearman, B S Dean
1Pittsburgh Poison Center, Children's Hospital of Pittsburgh, PA 15213.
Veterinary and Human Toxicology
|December 1, 1991
Summary
Accurate contaminant identification is crucial for poison specialists. Misidentification, common in calls from both the public and professionals, can alter poisoning assessments and treatments.
Area of Science:
- Toxicology
- Emergency Medicine
- Public Health
Background:
- Accurate identification of toxic substances is critical for poison information specialists (SPIs) to assess poisoning exposures and recommend appropriate treatments.
- Incorrect contaminant information can lead to severe or fatal errors in patient management.
Purpose of the Study:
- To prospectively evaluate the frequency of contaminant misinformation provided to SPIs during initial poison center contact.
- To determine the impact of accurate contaminant identification on poisoning assessment and treatment recommendations.
Main Methods:
- A prospective study was conducted over a six-month period.
- 159 calls were identified where the caller mistakenly identified the contaminant.
- Data were collected on the source of the call (healthcare professional vs. lay public) and the type of substance involved.
Main Results:
- Misinformation regarding contaminants occurred in 159 calls (33% from healthcare professionals, 67% from the public).
- Commonly misidentified substances included drugs, cleaning products, and cosmetics.
- In 110 cases, correct contaminant identification significantly altered the SPI's assessment and treatment recommendations.
Conclusions:
- Errors in contaminant identification are more frequent than anticipated by poison center professionals.
- Emphasizing precise caller interviewing techniques and verifying contaminant information (e.g., by checking containers) is essential to prevent critical errors in poisoning management.