The nurse is assessing a patient who has been admitted with heart failure. The nurse anticipates which lab test to be ordered to determine the severity of the diagnosis?
1. Troponin
2. Lipid panel
3. CBC
4. BNP
4
Rationale 1: Troponin levels may indicate the etiology of the heart failure.
Rationale 2: A lipid panel may give information about the etiology of the heart failure.
Rationale 3: A CBC will likely be ordered and will provide valuable information about the patient's overall condition, but not specifically about severity of heart failure. Another test is more specific.
Rationale 4: BNP, renal function, and liver function studies may provide an indication of the severity of the heart failure.
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