<![CDATA[Nurses’ ability to interpret electrocardiograms (ECG) remains limited, influenced by insufficient theoretical knowledge, lack of formal training, and low self-confidence. This condition highlights the need for innovative learning strategies that not only emphasize cognitive aspects but also strengthen motivation and self-belief. Focused Confidence Affirmation (FCA) is a learning approach that emphasizes positive affirmation, reinforcement of achievements, self-reflection, and constructive feedback to enhance nurses’ self-efficacy. This study employed a quantitative descriptive correlational design with a cross-sectional approach. The sample consisted of all participants of the ECG interpretation webinar held on April 30, 2026, totaling 20 respondents, using a total sampling technique. Research instruments included FCA questionnaires and pretest–posttest assessments of ECG interpretation knowledge. Data analysis was conducted using the paired t-test with SPSS software. Prior to FCA implementation, all respondents (100%) were categorized as having poor knowledge. After the intervention, all respondents (100%) improved to the good knowledge category. Statistical analysis revealed a p-value < 0.05, indicating a significant effect of FCA on improving nurses’ knowledge in ECG interpretation. FCA proved effective in enhancing both knowledge and self-confidence among nurses in basic ECG interpretation. These findings suggest that FCA can serve as a reference for developing innovative learning strategies in nursing education and contribute to improving the quality of healthcare services through strengthened clinical competence.]]>
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