NCLEX RN Practice Question # 470

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What is Seizures ?

A seizure is the physical findings or changes in behavior that occur after an episode of abnormal electrical activity in the brain.

 

The term “seizure” is often used interchangeably with “convulsion.” Convulsions occur when a person’s body shakes rapidly and uncontrollably. During convulsions, the person’s muscles contract and relax repeatedly. There are many different types of seizures. Some have mild symptoms without shaking.

Symptoms

Seizures of all types are caused by disorganized and sudden electrical activity in the brain.

 

Causes of seizures can include:

 

  • Abnormal levels of sodium or glucose in the blood
  • Brain infection, including meningitis
  • Brain injury that occurs to the baby during labor or childbirth
  • Brain problems that occur before birth (congenital brain defects)
  • Brain tumor (rare)
  • Drug abuse
  • Electric shock
  • Epilepsy
  • Fever (particularly in young children)
  • Head injury
  • Heart disease
  • Heat illness (heat intolerance)
  • High fever
  • Phenylketonuria (PKU), which can cause seizures in infants
  • Poisoning
  • Street drugs, such as angel dust (PCP), cocaine, amphetamines
  • Stroke
  • Toxemia of pregnancy
  • Toxin buildup in the body due to liver or kidney failure
  • Very high blood pressure (malignant hypertension)
  • Venomous bites and stings (snake bite)
  • Withdrawal from alcohol or certain medicines after using for a long time

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