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All Journal JURNAL BIOMEDIK Abdimas Polsaka: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Edukasi Indonesia Journal Interdisciplinary Health
Wahyudi Hardi
Universitas Sam Ratulangi
Biochemistry, Genetics & Molecular Biology Health Professions Medicine & Pharmacology Neuroscience Nursing Physics Public Health Veterinary

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PERAN SEL NODUS SINOATRIAL SEBAGAI PENGATUR IRAMA JANTUNG Hardi, Wahyudi; Wangko, Sunny
Jurnal Biomedik : JBM Vol 4, No 3 (2012): JURNAL BIOMEDIK : JBM Suplemen
Publisher : UNIVERSITAS SAM RATULANGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35790/jbm.4.3.2012.1212

Abstract

Abstract: The heart has a special system that provokes impulses and conducts these in the whole heart, resulting in a contraction. Normally, the sinoatrial node (SA-node) functions as a natural pace maker of the heart which plays a very important role in heart beat regulation. In the SA-node, there are two kinds of cells: P cell, a specialized nodal cell; and T cell, the transition cell. The P cell, the main SA-nodal cell, is a small cell and contains a small amount of sarcoplasma reticulum, mitochondria, and myofilaments. The T cell has a larger size, and contains more mitochondria than the P cell. The action potential in the SA-node begins in the middle of the node (P cells), spreads to the periphery (T cells), and then gets into the atrial muscle tissues. P cells provoke a slower and lower action potential than that of atrial muscles and their surroundings; meanwhile the T cells provoke a faster and larger action potential. In the P cells, the upstroke action potential occurs slowly since these cells contain a small number of Na+ channels, or none. Although Ca2+ L-type channels are responsible for the upstroke action potential in the P cells, the Na+ channels in the T cells still play some important roles. Keywords: sinoatrial node, P cell, T cell, ion channels.     Abstrak: Jantung dilengkapi dengan suatu sistem khusus untuk membangkitkan impuls-impuls dan menghantarkannya dengan cepat ke seluruh jantung sehingga terjadi kontraksi otot jantung. Dalam keadaan normal, nodus sinoatrial (SA) di atrium kanan berperan sebagai pacu alami jantung dan berperan penting dalam mengatur irama jantung. Pada nodus SA terdapat sel P (sel-sel khas nodal) dan sel T (sel transisi). Sel P merupakan sel utama dalam nodus sinoatrial, berukuran kecil, dan hanya mengandung sedikit retikulum sarkoplasma, mitokondria dan miofilamen. Sel T berukuran lebih besar dan mempunyai mitokondria yang lebih banyak dari pada sel P. Potensial aksi pada nodus SA dimulai di daerah tengah nodus SA (sel P), kemudian merambat ke daerah tepi (sel T), lalu masuk ke dalam jaringan otot atrium. Sel P menimbulkan potensial aksi yang lebih lambat dan kecil dibandingkan potensial aksi pada otot atrium dan sekitarnya, sedangkan pada sel T ditemukan potensial aksi yang lebih cepat dan lebih besar. Pada sel P, potensial aksi upstroke (depolarisasi) terjadi lambat karena sel ini hanya mengandung sedikit saluran Na+, bahkan biasanya tidak ada. Meskipun saluran Ca2+ L-type (tipe lambat) yang bertanggung jawab dalam potensial aksi upstroke pada sel P, pada sel T saluran Na+ tetap berperan penting.13 Kata kunci: nodus sinoatrial, sel P, sel T, saluran ion.
Community empowerment through home care training to improve the quality of life of patients Cahya Mulat, Trimaya; Hardi, Wahyudi; Andani, Nur
Jurnal Pengabdian Masyarakat Edukasi Indonesia Vol. 1 No. 3 (2024): Jurnal Pengabdian Masyarakat Edukasi Indonesia
Publisher : Edukasi Ilmiah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61099/jpmei.v1i3.54

Abstract

Community empowerment is one of the effective strategies to improve patient's quality of life by increasing the capacity of families and communities to provide home care. This service aims to evaluate the impact of home care training on the quality of life of patients with chronic health conditions treated at home. The methods used in the training include theory, practical simulations, and group discussions. The evaluation results showed that the trainees experienced an increase in knowledge and skills in providing home care, which positively impacted patients' quality of life. The program empowers families to treat patients more effectively and reduces the burden on the formal health system by optimizing care at home. This activity concludes that home care training is an effective strategy for community empowerment to improve patients' quality of life and support the sustainability of health care in the community
Review of the curriculum of the OBE (Outcome Based Education) health study program Asmi, A Syamsinar; Kamaruddin, Muh Ihsan; Andre Mangaya Takke, Jessy; Hardi, Wahyudi
Jurnal Pengabdian Masyarakat Edukasi Indonesia Vol. 2 No. 2 (2025): Jurnal Pengabdian Masyarakat Edukasi Indonesia
Publisher : Edukasi Ilmiah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61099/jpmei.v2i2.117

Abstract

Implementing outcome-based Education (OBE) in higher education is a strategic approach to ensure that graduates possess competencies aligned with the workforce's needs and scientific development. In the context of Health Study Programs, adopting OBE is crucial to ensure that graduates can deliver safe, effective, and outcome-oriented health services. This community service activity aims to comprehensively review the Health Study Program curriculum using the OBE framework, particularly focusing on the alignment between Graduate Learning Outcomes (CPL), Course Learning Outcomes (CPMK), teaching methods, and assessment systems. The activity engages faculty members and study program managers through workshops and focused group discussions (FGDs) facilitated by experts. The review process centers on re-mapping the CPL to graduate profiles and stakeholder needs, constructing a curriculum matrix, and integrating performance-based assessment methods. The expected outcome of this initiative is a more systematic, measurable, and OBE-compliant curriculum document, thereby enhancing institutional readiness for national and international accreditation processes. By adopting an outcome-based curriculum, the educational process within the Health Study Program is expected to become more structured, responsive to the evolving demands of healthcare services, and capable of producing professionally competent and globally competitive graduates
Strengthening the role of community health workers through supportive supervision: A Scoping Review Cahya Mulat, Trimaya; Asprimi Anggraeni, Tirta; Hardi, Wahyudi; Kamaruddin, Muh Ihsan; Andre Mangaya Takke, Jessy
Journal Interdisciplinary Health Vol. 1 No. 3 (2025): Journal Interdisciplinary Health
Publisher : Edukasi Ilmiah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61099/jih.v1i3.139

Abstract

Introduction: Community health workers (CHWs) are critical in expanding access to primary healthcare, particularly in underserved areas. Despite their essential role, CHWs often face challenges such as inadequate supervision, limited feedback, and lack of professional development. Supportive supervision, which emphasizes mentorship, joint problem-solving, and performance improvement, has emerged as a key strategy to strengthen CHW effectiveness and retention. Methods: This scoping review followed Arksey and O’Malley’s framework and the PRISMA-ScR guidelines. Relevant literature published between 2010 and 2025 was systematically searched in PubMed, Scopus, and Web of Science. Studies focusing on supportive supervision models, strategies, or outcomes for CHWs were included. Data were extracted and synthesized thematically to identify supervision approaches, implementation factors, and impacts on CHW performance. Results: Thirty-seven studies met the inclusion criteria. The findings revealed that supportive supervision enhances CHW motivation, service quality, and community trust. Effective supervision models were characterized by regular feedback, participatory monitoring, and peer learning. Barriers included insufficient resources, supervisor workload, and weak institutional support. Digital tools and community-based supervision showed promise in improving supervision frequency and data-driven decision-making. Conclusion: Supportive supervision plays a pivotal role in strengthening the performance and sustainability of CHW programs. Integrating structured, participatory, and technology-assisted supervision mechanisms into health systems can foster CHW empowerment, accountability, and long-term impact.
Basic medical record education and training to prepare professional health human resources Asmi, A Syamsinar; Ihsan Kamaruddin, Muh; Ode Novi Angraeni, Wa; Hardi, Wahyudi; Andre Mangaya Takke, Jessy
Journal Pengabdian Masyarakat Politeknik Sandi Karsa Vol 4 No 2 (2025): Abdimas Polsaka: Jurnal Pengabdian Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat,Politeknik Sandi Karsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35816/abdimaspolsaka.v4i2.122

Abstract

Accurate and well-managed medical records are crucial for ensuring the quality of health services, supporting informed clinical decision-making, and enhancing health information systems. However, many health workers especially those in primary care and early-career stages lack adequate competence in basic medical record management. This community service program aimed to enhance participants’ knowledge and skills in fundamental medical record practices as part of preparing professional and reliable health human resources. This program was conducted through a structured educational and training intervention involving a one-day workshop delivered to 45 health workers and students. Activities included lectures, demonstrations, hands-on practice, and group discussions. Pre- and post-training assessments were used to measure improvements in knowledge and practical skills. Observational checklists evaluated participants’ accuracy in completing medical record components, including patient identification, documentation standards, coding basics, and confidentiality procedures. The results showed a significant improvement in participants’ understanding and performance. The mean knowledge score increased from 62.4 (pre-test) to 88.7 (post-test). Practical skills in completing standardized medical record forms improved from 54% to 90% accuracy. Participants reported increased confidence in maintaining documentation quality and understanding the legal and ethical responsibilities related to medical records. Feedback indicated high satisfaction with training methods and relevance to daily practice. This community service program effectively strengthened the foundational competencies required for health workers to manage medical records professionally. The combination of theory and practical sessions proved essential in building both conceptual understanding and hands-on skills. Continuous training and mentoring are recommended to ensure sustained quality and compliance with health information standards
Co-Authors Andani, Nur Andre Mangaya Takke, Jessy Asmi, A Syamsinar Asprimi Anggraeni, Tirta Cahya Mulat, Trimaya Ihsan Kamaruddin, Muh Kamaruddin, Muh Ihsan Mangaya Takke, Jessy Andre Ode Novi Angraeni, Wa Sunny Wangko