cueprepNCLEX-RN Cardiac Enzymes & Biomarkers: Timing & Thresholds Flashcards
Master 6 cardiac enzymes & biomarkers: timing & thresholds concepts for the NCLEX-RN.
Question
Complete the clinical profile for Troponin I, the gold standard biomarker for myocardial injury:
Normal Level:
Initial Rise: 3-6 hours
Duration:
Question
What is the normal reference range for Troponin T?
Question
What is the normal range for CK-MB and when does it return to baseline?
Question
What is the normal value for B-type Natriuretic Peptide (BNP) and what level indicates severe heart failure?
Question
A 60-year-old client presents with dyspnea. Which NT-proBNP result would support a diagnosis of acute heart failure in this age group?
Question
A client presents with chest pain and a negative initial troponin level. What is the priority nursing action regarding biomarkers?