Perioral Myokymia

One hour after being bitten by a rattlesnake, this 13-year-old boy had perioral myokymia. Myokymia, or involuntary fasciculations of muscle fibers, is likely to be due to the venom-blocking voltage-gated potassium channels at the neuromuscular junction.

See the NEJM article: http://www.nejm.org/doi/full/10.1056/...

• #science_technology
• #perioral_myokymia
• #neuromuscular_junction
• #rattlesnake_bite
• #antivenom
• #venomous_snakes
• #snake_bite