Early symptoms of tetanus?

summary

Tetanus toxin mainly invades the motor neurons in the nervous system. Therefore, the clinical features of this disease are closed teeth, paroxysmal spasm and tonic spasm. The main muscle groups affected include masseter muscle, dorsal spine muscle, abdominal muscle and limb muscle. The incubation period of tetanus is usually 7-8 days, which can be as short as 24 hours or as long as several months or years. Early symptoms of tetanus? Next, I'd like to share my views with you.

Early symptoms of tetanus?

First, there is an incubation period from the infection of Clostridium tetanus to the onset of the disease. The incubation period of tetanus is related to the location of the wound, the infection and the immune status of the body. It is usually 7-8 days, which can be as short as 24 hours or as long as several months or years.

Second, the signs of myotonia are difficult to open mouth and tight teeth. The abdominal muscles are as firm as plates. The neck is stiff and the head is tilted back. When the back and abdominal muscles contract at the same time, the trunk is twisted into a bow due to the strength of the back muscles, forming "angular arch reflexes" or "lateral arch reflexes". Paroxysmal muscle spasm occurs on the basis of myotonia and persists during the spasmodic interval. The corresponding signs were frowning, mouth angle shrinking and grinning (hemifacial spasm); Laryngeal obstruction, dysphagia, cough (pharyngeal muscle spasm); Dyspnea, cyanosis, respiratory arrest (respiratory muscle and diaphragm spasm); Urinary retention (sphincter spasm *).

Third: the attack can be induced by slight stimulation, such as light, sound, contact, drinking water, etc., and can also be spontaneous. In mild cases, muscle spasm occurred no more than 3 times a day; Severe patients have frequent attacks, which can occur once in a few minutes, even in a continuous state. The duration of each attack ranged from a few seconds to a few minutes.

matters needing attention

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