Related Experiment Video
Updated: May 22, 2026

05:38
A Versatile Model of Hard Tick Infestation on Laboratory Rabbits
Published on: October 6, 2018
[Adder bites in France].
S Larréché1, G Mion, P Mornand
1Service de biologie médicale, HIA Bégin, 69, avenue de Paris, 94163 Saint-Mandé, France.
Summary
Snake bites in Europe, primarily from Vipera aspis and Vipera berus, are uncommon but require hospital assessment. Antivenom immunotherapy is the main treatment for envenomation, with clinical grading aiding severity assessment.
Area of Science:
- Toxicology
- Public Health
- Herpetology
Context:
- Snake bites pose a significant global health challenge, particularly in tropical regions.
- Europe experiences a lower incidence of snakebites, resulting in fewer annual fatalities.
- Vipera aspis and Vipera berus are the primary venomous snakes responsible for envenomations in France.
Purpose:
- To outline the epidemiology and clinical presentation of snake envenomations in France.
- To describe the diagnostic and therapeutic strategies for snake bites in the European context.
- To emphasize the importance of clinical grading in managing snake envenomation severity.
Summary:
- Snakebites in France, mainly caused by Vipera aspis and Vipera berus, typically present with local symptoms like pain and edema.
- Systemic signs occur in 17% of cases, necessitating prompt medical evaluation in a hospital setting.
- Clinical grading systems, such as that from Institut Pasteur, are crucial for assessing envenomation severity and guiding antivenom treatment decisions.
Impact:
- Highlights the low but present risk of snakebites in Europe, underscoring the need for preparedness.
- Reinforces antivenom immunotherapy as the cornerstone of specific treatment for venomous snakebites.
- Advocates for standardized clinical assessment and management protocols for snakebite victims in non-tropical regions.
Related Concept Videos
Conditioned Taste Aversion
Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single exposure...
A notable characteristic of conditioned taste aversion is that it often requires only a single exposure...
Prevention of Further Absorption of Poison
In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
Anticholinesterase Agents: Poisoning and Treatment
Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is slower than the...
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is slower than the...
Physical Properties of Amines
Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.
Bacterial Phylum Spirochaetes
Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased by a...

