The nurse is caring for a client who has been taking aspirin 81mg PO daily for the last six months. Which clinical findings are of most concern? (SELECT ALL THAT APPLY)

Temperature elevation of 100.4 ORGAN

Hemoglobin decrease from 128g/dl to 9.5g/dl

Serum potassium increase from 3.5 mEq/L 4.5 mEq/L

Gastrointestinal discomfort prior to eating breakfast

Several areas of ecchymosis on upper and lower extremities