Final answer:
When a nurse detects an S3 gallop, the best intervention is to assess the patient for symptoms of left-sided heart failure, document the finding, and discuss it with the healthcare provider for further evaluation.
Step-by-step explanation:
When a nurse assesses a client and notes the presence of an S3 gallop, it is an important finding in a cardiovascular assessment. An S3 gallop is a rare third heart sound that indicates possible pathological changes within the heart. Its presence in a non-athlete adult or elderly patient can be a sign of congestive heart failure or other cardiovascular issues, particularly those affecting the left side of the heart. Therefore, the best intervention for a nurse who identifies an S3 gallop would be option a: Assess for symptoms of left-sided heart failure. This involves looking for evidence of fluid overload such as shortness of breath, pulmonary congestion, and weight gain. Documenting the finding accurately in the patient's medical records and discussing it with the healthcare provider for further follow-up and potential diagnostic testing would also be important steps. Immediate transfer to the intensive care unit or immediate notification of the healthcare provider may not be necessary unless the patient is exhibiting acute distress or other critical symptoms.