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Doctor insights on: Severe Rigor

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Rigors (Definition)

Medical term for shaking chills, which is ofter associated with ...Read more


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Define the word rigors?

Define the word rigors?

Shaking chills: Rigor is a shaking occurring during a high fever. It occurs because cytokines and prostaglandins are released as part of an immune response and increase the set point for body temperature in the hypothalamus. ...Read more

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What is rigor mortis?

Contraction of the muscles: When someone dies the muscles tighten this happens the muscles contract and become cross linked in the contracted state tightening takes about 12 hours to begin it is temperature dependent and eventually when decomposition occurs the rigor mortis is released in the body is very floppy again. ...Read more

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What causes rigor mortis?

What causes rigor mortis?

Depletion of ATP: Depletion of atp allows calcium to enter the muscles and activate the contractile proteins that cause stiffening of muscles. It subsides when lysis of proteins starts as part of autolysis. ...Read more

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What is rigor fever?

What is rigor fever?

Rigors: Rigors are uncontrollable shaking chills, often the precursor to major elevations of temperature and therefore high fevers. ...Read more

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What is treatment for rigor?

What is treatment for rigor?

Treat the cause: Rigor is often a manifestation of some other disease process, often an infection. Demerol (meperidine hydrochloride) does counteract shivering and rigors, but it has many side effects and risk of addiction, so do not take it lightly. ...Read more

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Is there a treatment for rigor?

Is there a treatment for rigor?

Depends on the cause: Rigor is a symtom, like fever, and treatment needs to be directed at the cause. In severe cases, Demerol (meperidine hydrochloride) may be used to control rigors. ...Read more

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What does it mean to have rigor mortis?

What does it mean to have rigor mortis?

happens after death: Rigor mortis is the temporary stiffening of the muscles that occurs 2-6 hours after death and lasts 24-48 hours (depending on conditions). ...Read more