The patient is admitted with a suspected acute myocardial infarction (AMI). In assessing the 12-lead electrocardiogram (ECG) changes, which findings would indicate to the nurse that the patient is in the process of a myocardial infarction (MI)?
Depressed ST-segment on ECG and elevated total CPK
Depressed ST-segment on ECG and normal cardiac enzymes
ST-segment elevation on ECG and elevated CK-MB or troponin levels
Q wave on ECG with normal enzymes and troponin levels
The Correct Answer is C
Rationale:
A. A depressed ST-segment is often associated with ischemia or non-ST elevation myocardial infarction (NSTEMI), not an ongoing MI.
B. A depressed ST-segment with normal cardiac enzymes suggests ischemia rather than an active MI.
C. ST-segment elevation on ECG combined with elevated cardiac biomarkers such as CK-MB or troponin levels is a hallmark of an acute ST-segment elevation myocardial infarction (STEMI), indicating an ongoing MI.
D. A Q wave on ECG indicates an old infarction and is not associated with an acute MI if enzymes and troponin levels are normal.
Free Nursing Test Bank
- Free Pharmacology Quiz 1
- Free Medical-Surgical Quiz 2
- Free Fundamentals Quiz 3
- Free Maternal-Newborn Quiz 4
- Free Anatomy and Physiology Quiz 5
- Free Obstetrics and Pediatrics Quiz 6
- Free Fluid and Electrolytes Quiz 7
- Free Community Health Quiz 8
- Free Promoting Health across the Lifespan Quiz 9
- Free Multidimensional Care Quiz 10
View Related questions
Correct Answer is D
Explanation
Rationale:
A. Homocysteine is a marker for cardiovascular risk but is not used to monitor heart failure therapy.
B. LDL levels are associated with cholesterol management and do not directly reflect heart failure treatment effectiveness.
C. Troponin is a marker of myocardial injury, not heart failure severity.
D. B-type natriuretic peptide (BNP) levels correlate with the severity of heart failure and are used to monitor the effectiveness of heart failure therapy.
Correct Answer is C
Explanation
Rationale:
A. Deaths of patients with communicable diseases still need to be reported because tissue and organ viability must be assessed on a case-by-case basis.
B. Tissue donation is voluntary and requires consent from the patient or their legal representative.
C. Organ donation can be authorized by a client's surrogate if the client has not previously given or refused consent. This allows for the surrogate to make decisions in line with the client’s wishes or best interests.
D. While facilities may have committees involved in the process, reporting is to organ procurement organizations, not solely to a facility's committee.