Acute myocarditis following Tityus trinitatis envenoming: morphological and pathophysiological characteristics

The clinicopathological features of four cases of scorpion envenoming by Tityus trinitatis are presented. The cardiac histopathology is recorded in the two fatal cases. The pathology of the acute myocarditis was a mixed picture of a toxic myocarditis and coagulative myocytolysis. These cardiac lesio...

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Bibliographic Details
Published in:Toxicon (Oxford) 1999, Vol.37 (1), p.159-165
Main Authors: Daisley, H., Alexander, D., Pitt-Miller, P.
Format: Article
Language:English
Subjects:
Acute Disease
Animal poisons toxicology. Antivenoms
Animals
Biological and medical sciences
Buthidae
case studies
Child
Child, Preschool
envenomation
Fatal Outcome
Female
heart
Heart - physiopathology
histopathology
Humans
lesions
Male
Medical sciences
myocarditis
Myocarditis - chemically induced
Myocarditis - pathology
Myocarditis - physiopathology
Myocardium - pathology
myocytolysis
neurotoxins
pathophysiology
Scorpion Stings - pathology
Scorpion Stings - physiopathology
Scorpiones
Scorpions
Tityus
Tityus trinitatis
toxic myocarditis
Toxicology
venoms
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Summary:The clinicopathological features of four cases of scorpion envenoming by Tityus trinitatis are presented. The cardiac histopathology is recorded in the two fatal cases. The pathology of the acute myocarditis was a mixed picture of a toxic myocarditis and coagulative myocytolysis. These cardiac lesions are also seen in catecholamine induced cardiotoxicity and lend support to the theory that an adrenergic surge follows scorpion envenoming. A brief review of scorpion envenoming syndrome is undertaken in the light of these findings.
ISSN:0041-0101
1879-3150
DOI:10.1016/S0041-0101(98)00174-3