ABSTRAK Populasi lansia yang terus meningkat di Indonesia berisiko tinggi terkena penyakit degeneratif, termasuk penyakit jantung koroner (PJK). Di Kalimantan Tengah, prevalensi hipertensi pada lansia cukup tinggi, namun pengetahuan mengenai pencegahan PJK masih rendah. Program pengabdian ini bertujuan untuk meningkatkan pengetahuan anggota Persatuan Wredatama Republik Indonesia (PWRI) Kalimantan Tengah mengenai PJK dan mendukung deteksi dini faktor risikonya melalui pemeriksaan kesehatan. Kegiatan ini melibatkan penyuluhan interaktif dan pemeriksaan kesehatan bagi 49 anggota PWRI, mencakup pengukuran tekanan darah, kadar gula darah sewaktu, dan kolesterol total. Pengetahuan peserta dievaluasi melalui pre-test dan post-test. Skor pengetahuan peserta meningkat signifikan, dari rata-rata pre-test 59,57 menjadi 79,28 pada post-test. Pemeriksaan kesehatan menunjukkan bahwa 38,8% peserta berada pada kategori pre-hipertensi dan 40,8% mengalami hipertensi, 16,3% memiliki kadar gula darah tinggi, serta 22,4% memiliki kadar kolesterol di atas normal. Penyuluhan interaktif berhasil meningkatkan pemahaman lansia tentang PJK dan pentingnya pengendalian faktor risiko. Program serupa disarankan diadakan secara berkala untuk memastikan lansia memiliki akses berkelanjutan pada informasi dan layanan kesehatan preventif terkait PJK. Kata Kunci: Penyakit Jantung Koroner, Lansia, Hipertensi, Pemeriksaan Kesehatan  ABSTRACT The growing elderly population in Indonesia faces a high risk of degenerative diseases, including coronary heart disease (CHD). In Central Kalimantan, the prevalence of hypertension among the elderly is considerable, yet knowledge regarding CHD prevention remains low. This community service program aimed to increase the knowledge of elderly members of the Persatuan Wredatama Republik Indonesia (PWRI) in Central Kalimantan about CHD and to support early detection of its risk factors through health screenings. The activities involved interactive counseling and health screenings for 49 PWRI members, including measurements of blood pressure, random blood sugar, and total cholesterol. Participants' knowledge was evaluated using pre- and post-tests. There was a significant increase in participants' knowledge scores, from an average of 59.57 on the pre-test to 79.28 on the post-test. Health screenings revealed that 38.8% of participants were in the pre-hypertension category, 40.8% had hypertension, 16.3% had elevated blood sugar levels, and 22.4% had high cholesterol levels. Interactive counseling effectively increased participants’ understanding of CHD and the importance of managing risk factors. Similar programs should be held regularly to ensure that the elderly have consistent access to preventive health information and services related to CHD.  Keywords: Coronary Heart Disease, Elderly, Hypertension, Health Screening
                        
                        
                        
                        
                            
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