A nurse assesses the patient for possible lithium toxicity when the serum lithium level reaches 2.5 mEq/L. Which clinical manifestations would the nurse anticipate with lithium toxicity? (Select all that apply.)
a. Hyperactivity
b. Slurred speech
c. Constipation
d. Muscle twitching
e. Ataxia
f. Hypertension
ANS: B, D, E
A patient with lithium toxicity is hyponatremic, which may be manifested by slurred speech, muscle twitching, and mild to moderate ataxia.
Hyperactivity, constipation, and hypertension are not manifestations associated with lithium toxicity.
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