A drug screen is a frequent investigation in the emergency department. The purpose of ordering this test is to determine whether the patient's condition is due to a drug. The purpose of this review is to address the question - do you really need that emergency drug screen? A screening test is an investigation performed upon a defined population to identify subclinical disease. A diagnostic test confirms a specific disease in a particular patient who is at risk of that condition because of the medical history or physical examination. Diagnostic tests have optimal performance characteristics that differ from those of screening tests. Therefore, an optimal screening test cannot be an optimal diagnostic test. The relevant literature was identified through electronic search augmented by subsequent search of reference lists of the primarily identified publications. Articles not dealing with emergency qualitative urine drug screening of emergency department patients were not considered. There were seven retrospective case series describing 1,405 patients, one prospective case series of 196 patients, and one randomized trial of 117 patients. There were three retrospective case series describing 694 children. For patients presenting wit...Continue Reading
Toxicology screening in urban trauma patients: drug prevalence and its relationship to trauma severity and management
National academy of clinical biochemistry laboratory medicine practice guidelines: recommendations for the use of laboratory tests to support poisoned patients who present to the emergency department
Postmortem urine immunoassay showing false-positive phencyclidine reactivity in a case of fatal tramadol overdose
Does age matter? Comparing case fatality rates for selected poisonings reported to U.S. poison centers
Challenges to radiologists: responding to the socioeconomic and political issues keeping radiologists up at night: the third annual open microphone sessions at the 2011 AMCLC
Deliberate drug poisoning with slight symptoms on admission: are there predictive factors for intensive care unit referral? A three-year retrospective study
Development and validation of a fast and simple multi-analyte procedure for quantification of 40 drugs relevant to emergency toxicology using GC-MS and one-point calibration
Routine Drug Screening for Patients in the Emergency Department of a State Psychiatric Hospital: A Naturalistic Cohort Study
Point-of-care testing (POCT) and evidence-based laboratory medicine (EBLM) - does it leverage any advantage in clinical decision making?
Impact of acutely behavioural disturbed patients in the emergency department: A prospective observational study
Recent substance intake among patients admitted to acute psychiatric wards: physician's assessment and on-site urine testing compared with comprehensive laboratory analyses
ACR Select Identifies Inappropriate Underutilization of Magnetic Resonance Imaging in British Columbia
On-site drugs of abuse urinary screening tests for the management of opiate-addicted patients: a survey among French general practitioners
This feed focuses mechanisms underlying addiction and addictive behaviour including heroin and opium dependence, alcohol intoxication, gambling, and tobacco addiction.