Cardiac Disorders NCLEX Questions Nursing Practice Question
The telemetry nurse notes a peaked T wave for the client diagnosed with congestive heart failure. Which laboratory data should the nurse assess?
Correct Answer: D
Rationale: Peaked T waves indicate hyperkalemia; assessing potassium (D) is critical in CHF patients on diuretics. CK-MB (A) and troponin (B) are for MI, BNP (C) for heart failure severity.