Acute coronary syndrome is a circulatory emergency resulting from reduced oxygen supply to the coronary arteries and may lead to myocardial infarction. However, evidence regarding non-pharmacological nursing interventions remains limited, indicating a significant gap in clinical and nursing knowledge. Objective: This case report aimed to analyze nursing care using the case study method and limb-raising intervention. Methods: Treatment was carried out for 3 days for a patient (61 years old) with a perioperative medical diagnosis of MI-NSTEMI with post-treatment in the ICU. Revascularization with PCI is necessary in some high-risk ACS cases. The problem of pain and comfort is one of the main nursing problems for patients. Untreated pain can reduce the quality of care, disrupt hemodynamics, and increase hospital length of stay. The limb-raising intervention was applied to the patient by elevating the hand 30ᵒ in the area of the stab wound and compression. Results:Hemodynamic parameters, such as blood pressure, pulse frequency, oxygen saturation, and body temperature, were always stable. The patient often experiences tachypnea during treatment. The patient's pain scale during treatment was measured using NRS. Discussion: Limb raising can reduce pain because elevation and immobilization at the puncture site lower the nociceptor threshold. Conclusion: The limb-raising intervention successfully reduced pain at the post-PCI puncture site from moderate pain (4/10) to no pain (0/10). Other factors evaluated the absence of swelling and the patient’s greater comfort with the method used.Keywords: Acute Coronary Syndrome, Comfort, Pain, Percutaneous Coronary Intervention
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