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Table 1 The substances and laboratory results

From: Heroin overdose masquerades as methomyl poisoning: a case report

Sample Laboratory results
substance Result of male/female corpses Method Sensitivity
1. Heart blood 1. Morphine 0.058/negative μg/ml LC-MS-MS Morphine: Codeine ≥ 5.8
2. Codeine < 0.010/negative μg/ml LC-MS-MS
3. Methamphetamine Negative/negative LC-MS-MS  
4. Benzodiazepines Negative/negative LC-MS-MS  
5. Tramadol 0.66/negative μg/ml LC-MS-MS  
6. Methadone 0.071/negative μg/ml LC-MS-MS  
7. EDDP 0.010/negative μg/ml LC-MS-MS  
8. Methomyl < 2.5/6.8 μg/ml LC-MS-MS  
9. ChE activity 3416/1965 U/L Spectrophotometry 6400–8200
2. Femoral blood 1. Alcohol Negative/negative GC-MS  
3. Gastric contents 1. Methomyl Positive/positive TLC  
2. ChE inhibitor Positive/positive Spectrophotometry  
4. Containers 1. Methomyl Positive TLC  
2. Heroin Positive TLC  
  1. ChE cholinesterase, EDDP 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine, GC-MS gas chromatography-mass spectrometry, LC-MS-MS liquid chromatography with tandem mass spectrometry, TLC thin-layer chromatography