What abnormalities were identified on thromboelastography (TEG) for patients with copperhead (Agkistrodon contortrix) envenomation?
None. A retrospective study of 16 patients with copperhead envenomation reported no abnormalities in coagulation parameters identified on laboratory evaluation. There were four patients that also received TEG, all with reportedly normal values. The authors concluded this further validates previous studies indicating copperhead envenomation does not lead to coagulopathy.
Mullins ME, et al. Thromboelastometry (ROTEM) and thromboelastography (TEG) in copperhead snakebites: a case series. Clin Toxicol (Phila) 2020; 58(9):931-934, DOI: 10.1080/15563650.2020.1713332