Ch 66 Neuro

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Normal ICP

5-15 mmHg

Normal CPP

60-100 mmHg

The nurse is caring for a client who was involved in a motorcycle accident 7 days ago. Since admission the client has been unresponsive to painful stimuli. The client had a ventriculostomy placed upon admission to the ICU. The current assessment findings include ICP of 14 with good waveforms, pulse 92, respirations per ventilator, temperature 102.7°F (rectal), urine output 320 mL in 4 hours, pupils pinpoint and briskly reactive, and hot, dry skin. Which is the priority nursing action?

Administer acetaminophen per orders. (The nurse needs to control the fever by administering the ordered acetaminophen as the priority action. An increase in the client's temperature can lead to increased cerebral metabolic demands and poor outcomes if not properly treated.)

The nurse is caring for a client hospitalized with a severe exacerbation of myasthenia gravis. When administering medications to this client, what is a priority nursing action?

Administer medications at exact intervals ordered.

Which medication classification is used preoperatively to decrease the risk of postoperative seizures?

Anticonvulsants

The critical care nurse is caring for a client with bacterial meningitis. The client has developed cerebral vasculitis and increased ICP. What neurologic sequelae might this client develop?

Damage to the optic nerve

Which term refers to the shifting of brain tissue form an area of high pressure to an area of low pressure?

Herniation

Which of the following drugs may be used after a seizure to maintain a seizure-free state?

Phenobarbital

A client experiences a seizure while hospitalized for appendicitis. During the postictal phase, the client is yelling and swings a closed fist at the nurse. Which is the appropriate action by the nurse?

Reorient the client while gently holding their arms.

When caring for a client with a head injury, a nurse must stay alert for signs and symptoms of increased intracranial pressure (ICP). Which cardiovascular findings are late indicators of increased ICP?

Rising blood pressure and bradycardia

For a client with suspected increased intracranial pressure (ICP), an appropriate respiratory goal is to:

promote carbon dioxide elimination.

Cushing's Triad

rising blood pressure, bradycardia, and widening pulse pressure

Cushing response is

the brain's attempt to restore blood flow by increasing arterial pressure to overcome the increased ICP.

A nurse is caring for a client who requires intracranial pressure (ICP) monitoring. The nurse should be alert for what complication of ICP monitoring?

Infection (The catheter for measuring ICP is inserted through a burr hole into a lateral ventricle of the cerebrum, thereby creating a risk of infection.)

The Monro-Kellie hypothesis explains

the dynamic equilibrium of cranial contents. (The hypothesis states that because of the limited space for expansion within the skull, an increase in any one of the cranial contents (brain tissue, blood, or cerebrospinal fluid) causes a change in the volume of the others.)

A client is admitted for scheduled gamma-knife radiosurgery, in the treatment of a brain tumor. Which nursing measure is primary in the postsurgical care of this client?

Assess neurological findings.


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