A chill.
An attack of shivering, often with fever.
Rigidity of the tissues of the body, as m rigor mortis.
A rigidity of muscle tissue that prevents the muscle from responding to stimulation.
An abrupt attack of shivering and a sensation of coldness, accompanied by a rapid rise in body temperature. This often marks the onset of a fever and may be followed by a feeling of heat, with copious sweating.
If prolonged, it is generally accompanied by fever, and may be a sign of the onset of some acute disease such as influenza, pneumonia, or some internal inflammation. Rigor mortis is the name given to the stiffness that ensues soon after death.
A sudden paroxysmal shaking chill occurring during a febrile illness. Onset of rigors during a febrile illness. Onset of rigors often corresponds to bacteremia.
An intense bout of shaking, commonly linked with a fever, is known as rigor. The term can also describe the stiffness or inflexibility in bodily tissues, such as in the case of rigor mortis.
A bout of shivering that, in adults, can occasionally occur with the beginning of an infectious fever and an increasing temperature.