"The Russell's viper
is an aggressive snake and in Sri Lanka, it is responsible for the highest snake bites, highest number of fatalities and it's the second most venomous viper in the island.
 Nonstandard abbreviations: RPL, recurrent pregnancy loss; APS, antiphospholipid syn drome; SLE, systemic lupus erythematosus; aPL, antiphospholipid antibody; LA, lupus anticoagulant; PT, prothrombin time; APTT, activated partial thromboplastin time; DRVVT, dilute Russell's viper
venom time; HELLP, hemolysis, increased liver enzymes, low platelets; EULAR, European League Against Rheumatism; LMWH, low-molecular weight heparin; HCQ, hydroxychloroquine.
In this part of the state of Kerala, we have encountered various types of snake bites of which Russell's viper
bites predominate the cases, followed by common krait and cobra bites having least incidents.
Bites due to Daboia russelli (Russell's viper
) is common in Northern Sri Lanka.
Kartha, "Psychosis in secondary empty sella syndrome following a Russell's viper
bite," Indian Journal of Psychological Medicine, vol.
The team handled the reptile with caution as the fangs of a Russell's viper
are the largest in length among Indian snakes and they react violently to being picked up and bites with a snap.
are common in the area, and Subhash and Roopal Ralph had even acquired equipment, such as snake tongs, to handle the poisonous reptiles.
(Piperaceae) possesses good anti-snake venom activities against Russell's viper
venom and we have also characterized piperine as the active chemical compound responsible for the anti-snake venom activity of the extract (Shenoy et al.
"It was the first time we could see a beneficial function for these IgE antibodies." Pre-immunization with a low dose of venom from the Russell's viper
also protected mice from a higher dose of venom from this snake, which is one of the "big four" species responsible for most snakebite deaths in India.
In the somewhat disturbing video below, a single drop of venom from a Russell's viper
is enough to cause a cup of blood to coagulate into a gelatin-like slab of clotted matter:
And we are one of the few manufacturers of the dilute Russell's viper
venom time test (dRVVT) in the world.
Phylogeography of the Russell's viper
(Daboia russelii) complex in relation to variation in the colour pattern and symptoms of envenoming was also studied in which fragments of cytochrome b comprising 758 bp were amplified (Thorpe et al., 2007).
Most commonly, the dilute Russell's Viper
Venom Time is used and the inhibitory effects of lupus anticoagulants are overcome by adding an excess of phospholipid to the assay.
Of the 200 odd species of snakes found in India, only four are truly venomous and widely distributed: the spectacled cobra, the common krait, Russell's viper
, and saw scaled viper.