When a client exhibits slurred speech, right arm drift, and confusion in the ED with no hemorrhage on CT scan and falls within the tPA window, which contraindication would prevent tPA use?

1. Position the affected arm and support it with pillows to prevent edema
2. Tuck the affected arm across the chest while the client is walking
3. Position the affected shoulder in adduction without any pillow support
4. Have the client ignore the weaker arm until strength returns

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