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Related Concept Videos

Pharmaceutical Poisoning: Potential Scenarios01:26

Pharmaceutical Poisoning: Potential Scenarios

Pharmaceutical poisoning can occur through various channels, impacting an estimated 2 million hospitalized patients in the U.S. annually with serious adverse drug responses. These scenarios encompass both therapeutic uses, such as drug toxicity, where even standard dosages can lead to severe central nervous system depression, and non-therapeutic exposures, including accidental ingestion by children, and environmental and occupational exposures.Unintentional poisonings often involve exploratory...
Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
Dosage Regimens: Designs and Approaches01:28

Dosage Regimens: Designs and Approaches

Designing a dosage regimen, which refers to the manner of drug administration, is a complex process involving the selection of drug dose, route, and frequency. This process is underpinned by pharmacokinetic parameters derived from tests and population averages. These parameters are then tailored to patient-specific variables such as diagnosis, demographics, and allergy status. Once therapy commences, therapeutic response monitoring is critical and achieved through clinical and physical...
Documentation of Nursing Diagnosis01:10

Documentation of Nursing Diagnosis

The nurse documents nursing diagnoses and enters them into the patient record. The identified patient's nursing diagnosis is either written out with a plan of care or entered into the electronic health record.
In some settings, data-driven computerized decision support systems are in place, allowing for more accurate nursing diagnoses. The database within one of these systems includes diagnostic labels defining characteristics, activities, and indicators for nursing. A nurse enters assessment...
Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
Dosage Regimen: Individualization01:24

Dosage Regimen: Individualization

Individualization in dosing regimens is the customization of medication doses for individual patients. Its necessity arises from the goal of maximizing therapeutic benefits while minimizing risks. This approach is pivotal because human responses to drugs can vary widely; what is effective for one person may be inadequate or excessive for another. Interpatient (intersubject) variability refers to differences in drug responses between individuals, while intrapatient (intrasubject) variability...

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Updated: Jun 18, 2026

Aseptic Laboratory Techniques: Volume Transfers with Serological Pipettes and Micropipettors
11:43

Aseptic Laboratory Techniques: Volume Transfers with Serological Pipettes and Micropipettors

Published on: May 31, 2012

Drug dispensing errors in a ward stock system.

Stig Ejdrup Andersen1

  • 1Department of Clinical Pharmacology, Bispebjerg Hospital, Copenhagen, Denmark.

Basic & Clinical Pharmacology & Toxicology
|November 17, 2009
PubMed
Summary

Drug dispensing errors are common in ward stock systems, with an 1.85% error rate. Surgical and psychiatric wards, along with polypharmacy, increase dispensing error risk.

Area of Science:

  • Pharmacy
  • Patient Safety
  • Clinical Pharmacy

Background:

  • Traditional ward stock systems are common in hospitals.
  • Drug dispensing errors can impact patient safety.
  • Understanding error rates and contributing factors is crucial for improvement.

Purpose of the Study:

  • To determine the frequency of drug dispensing errors in a nurse-operated ward stock system.
  • To identify factors contributing to these dispensing errors.

Main Methods:

  • A descriptive study was conducted in a teaching hospital from January 2005 to June 2007.
  • Prospective collection and comparison of dispensed solid drug samples with prescriptions across five wards.
  • Multivariable logistic regression analysis to evaluate contributing factors.

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Improving IV Insulin Administration in a Community Hospital
12:08

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Published on: June 11, 2012

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Last Updated: Jun 18, 2026

Aseptic Laboratory Techniques: Volume Transfers with Serological Pipettes and Micropipettors
11:43

Aseptic Laboratory Techniques: Volume Transfers with Serological Pipettes and Micropipettors

Published on: May 31, 2012

Improving IV Insulin Administration in a Community Hospital
12:08

Improving IV Insulin Administration in a Community Hospital

Published on: June 11, 2012

Main Results:

  • An overall drug dispensing error rate of 1.85 errors per 100 opportunities was identified.
  • Omission of a dose was the most frequent error type.
  • Vitamins, minerals, acid-related disease drugs, and antipsychotics were most affected. Surgical and psychiatric settings, and polypharmacy, were associated with higher error rates.

Conclusions:

  • Drug dispensing errors are relatively common in this ward stock system.
  • Error frequency is influenced by clinical specialty and the presence of polypharmacy.
  • Future strategies should target polypharmacy and high-risk clinical units to reduce errors.