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Tetanus (from Ancient Greek τέτανος 'tension, stretched, rigid'), also known as lockjaw, is a bacterial infection caused by Clostridium tetani and characterized by muscle spasms. In the most common type, the spasms begin in the jaw and then progress to the rest of the body.
Trismus is a condition of restricted opening of the mouth. [1] [2] The term was initially used in the setting of tetanus. [2]Trismus may be caused by spasm of the muscles of mastication or a variety of other causes. [3]
A classical sign of Tetanus, risus sardonicus is a form of facial dystonia producing a fixed smiling or grinning expression. Risus sardonicus or rictus grin is a highly characteristic, abnormal, sustained spasm of the facial muscles that appears to produce grinning.
Also known as lockjaw, tetanus is spread by the bacterium Clostridium tetani, found in dust, manure, and soil. It enters the body through cuts from contaminated objects, such as nails, and ...
In neonatal tetanus, symptoms usually appear from 4 to 14 days after birth, averaging about 7 days. The fatality rate for infants has been estimated as 70% to 100%; death usually occurs by the age of 2 weeks. [3] On the basis of clinical findings, four different forms of tetanus have been described. [4]
Symptoms include fever, sore throat, painful swallowing, and swelling in the neck. [2] An anterior space abscess can cause lockjaw (spasm of jaw muscle), and hard mass formation along the angle of the mandible, with medial bulging of the tonsil and lateral pharyngeal wall. A posterior space abscess causes swelling in the posterior pharyngeal ...
Signs and symptoms of temporomandibular joint disorder vary in their presentation. The symptoms will usually involve more than one of the various components of the masticatory system, muscles, nerves, tendons, ligaments, bones, connective tissue, or the teeth. [23] The three classically described, cardinal signs and symptoms of TMD are: [11] [24]
Opisthotonus or opisthotonos (from Ancient Greek: ὄπισθεν, romanized: opisthen, lit. 'behind' and τόνος, tonos, 'tension') is a state of severe hyperextension and spasticity in which an individual's head, neck and spinal column enter into a complete "bridging" or "arching" position.