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A 23 year old male patient demonstrating severe face and arm muscle spasms…
A 23 year old male patient demonstrating severe face and arm muscle spasms. The patient just got a tattoo the day before. After ordering blood work you find out the patient is infected with Clostridium tetani a bacteria transmitted by using dirty needles. The patient was never vaccinated for this. The patients brother is worried and wants to know what is going on.
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Twitch
simplest contraction resulting from a muscle fiber’s response to a single action potential from motor neuron
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Tetany
Tetany or tetanic seizure is a medical sign consisting of the involuntary contraction of muscles, which may be caused by disorders that increase the action potential frequency of muscle cells or the nerves that innervate them.
Clostridium tetani
is an obligate anaerobic bacteria whose spores produce two distinct toxins—tetanolysin, which causes local tissue destruction, and tetanospasmin, which causes clinical tetanus.