A client with acute symptoms of schizophrenia is prescribed ziprasidone (Geodon) IM. Which rhythm will the nurse assess this client for prior to administering the medication?
1. Normal sinus rhythm
2. Sinus irregularity
3. Increase in QT interval
4. Premature atrial contractions
Correct Answer: 3
Rationale 1: A normal sinus rhythm is expected.
Rationale 2: Sinus irregularity with an otherwise normal rhythm does not usually present adverse effects.
Rationale 3: Geodon has the possibility of prolonging the QT interval, causing potentially fatal dysrhythmias.
Rationale 4: Premature atrial contractions would not present an immediate threat to the client.
Global Rationale: Geodon has the possibility of prolonging the QT interval, causing potentially fatal dysrhythmias. A normal sinus rhythm is expected and would not alter the course of treatment. Sinus irregularity with an otherwise normal rhythm does not usually present adverse effects. Premature atrial contractions would not present an immediate threat to the client.
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