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Use of infrared thermography in a case of systemic envenomation by the coral snake Micrurus frontalis (Duméril et al., 1854) in Sao Paulo, Brazil
Medeiros, Carlos Roberto de; Souza, Solange Nogueira de; Lara, Amanda Nazareth; Grego, Kathleen Fernandes.
Affiliation
  • Medeiros, Carlos Roberto de; Instituto Butantan. Hospital Vital Brazil.
  • Souza, Solange Nogueira de; Instituto Butantan. Hospital Vital Brazil.
  • Lara, Amanda Nazareth; Instituto Butantan. http://lattes.cnpq.br/3958946830255298.
  • Grego, Kathleen Fernandes; Instituto Butantan. Hospital Vital Brazil,.
Toxicon ; v. 163: p. 70-73, 2019.
Article in English | Sec. Est. Saúde SP, SESSP-IBPROD, Sec. Est. Saúde SP | ID: but-ib15921
Responsible library: BR78.1
Localization: BR78.1
ABSTRACT
Infrared thermography is a technique that quantifies the thermal (infrared) radiation emitted by an object and produces a high-resolution, digital thermal image of it. Medically, this technique is used to visualize the body's surface temperature distribution in a non-invasive, safe, and convenient fashion. However, to the best of our knowledge, the use of infrared thermography for assessing the systemic effects of envenomation by coral snakes has not been reported. In this case report, we describe the use of this technique in the management of a case of snakebite in Sao Paulo, Brazil. A 51-year-old woman was bitten on the back of the right hand by Micrurus frontalis, a species of coral snake, 10 min prior to her arrival at the hospital. Infrared imaging performed at admission revealed elevated temperatures at the bite site and in the elbow, as well as the preservation of a normal distal thermal gradient in both hands. A few minutes later, the patient developed muscle weakness in the upper limbs and in the eyelids, and infrared imaging showed an alteration of the thermal gradient in both hands, reflecting the systemic action of the venom. Following these observations, the patient was treated with the specific antivenom and was discharged 48 h post admission. At the two-week follow-up, the thermal image obtained showed no anomalies, indicating the recovery of the patient. Hence, infrared thermography can be very useful in the early identification of systemic neurotoxicity in cases of Micrurus snake bites, facilitating the decision to prescribe the antivenom.
Full text: Available Collection: National databases / Brazil Database: Sec. Est. Saúde SP / SESSP-IBPROD Language: English Journal: Toxicon Year: 2019 Document type: Article
Full text: Available Collection: National databases / Brazil Database: Sec. Est. Saúde SP / SESSP-IBPROD Language: English Journal: Toxicon Year: 2019 Document type: Article
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