The nurse is caring for a patient with an acute myocardial infarction. Which of the following laboratory findings would MOST concern the nurse?
The new nursing supervisor for several units in the hospital surveys the physical structure of each setting. Which observations MOST concern the nurse?
1. Erythrocyte sedimentation rate (ESR)-10 mm/h.
ESR-rate at which RBCs settle out of unclotted blot in 1 h; indicates inflammation/necrosis; normal: men 0-15/h, woman: 1-20 mm/h
2. Hematocrit (Hct)-42%.
Relative volume of plasma to RBS; increased in dehydration; decreased with fluid volume excess; normal: men 40-45%, women: 37-45%.
3. Creatine kinase (CK)-350 U/ml.
CORRECT – enzyme specific to brain, myocardium and skeletal muscle; indicate tissue necrosis or injury; normal: men: 12-70 U/mL, women: 10-55 U/mL.
4. Serum glucose-100 mg/dL.
Indicates insulin production: normal: 60-110 mg/dL.
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