When auscultating the chest of a 75-year-old patient who recently experienced a myocardial infarction (MI), the nurse hears an S3 heart sound immediately following S2. Because of these findings, the nurse would assess for which other condition?
1. Heart failure
2. Extension of the MI
3. Renal failure
4. Liver failure
1
Rationale 1: S3 immediately following S2 is called a ventricular gallop and is an indication of heart failure.
Rationale 2: Manifestations of MI extension include chest pain and positive laboratory findings (CPK-MB and troponin).
Rationale 3: Renal failure is a late complication of heart failure and is not manifested with an S3.
Rationale 4: Liver failure is not manifested with an S3.
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