Garuda - Garba Rujukan Digital

p-Index From 2021 - 2026

3.014

P-Index

This Author published in this journals

All Journal Jurnal Tapis : Jurnal Teropong Aspirasi Politik Islam Jurnal Inotera Darmabakti Cendekia: Journal of Community Service and Engagements Meteor STIP Marunda Journal of the Indonesian Medical Association : Majalah Kedokteran Indonesia Community Service Journal of Indonesia Jurnal JEETech International Islamic Medical Journal Daengku: Journal of Humanities and Social Sciences Innovation Bulletin of Science Education Lentera Perawat J-Innovation Jurnal Ilmiah Ilmu Terapan Universitas Jambi Prosiding Seminar Nasional Pengabdian Kepada Masyarakat ICONESTH JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Binary: Jurnal Teknologi Informasi dan Edukasi

Effendi

Unknown Affiliation

Author-ID : 1429000

Religion Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Transportation Other

Published : 25 Documents Claim Missing Document

Claim Missing Document

Articles

1 2 3

PENCEGAHAN DAN TATA LAKSANA ARITMIA MALIGNA PADA PASIEN INFARK MIOKARD AKUT Effendi; Adhitya
Majalah Kedokteran Indonesia Vol 68 No 4 (2018): Journal of the Indonesian Medical Association Majalah Kedokteran Indonesia Volum
Publisher : PENGURUS BESAR IKATAN DOKTER INDONESIA (PB IDI)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Infark Miokard Akut (IMA) dapat menyebabkan gangguan elektrofisiologis yang akan menimbulkan aritmia. Aritmia yang sering terjadi pada pasien IMA dapat berupa aritmia ventrikular maligna dalam bentuk Ventrikular Takikardia (VT) ataupun Ventrikular Fibrilasi (VF). Hal tersebut biasanya disebabkan oleh penanganan yang tidak adekuat. Angka kejadian VT maupun VF dapat dilihat dari lokasi terjadinya IMA. IMA menyebabkan terjadinya kondisi hipoksia sel dan asidosis, yang jika dibiarkan akan menyebabkan gangguan elektrofisiologi karena terjadi perubahan potensial istirahat menjadi -60mV dan juga penurunan kecepatan konduksi. Perubahan elektrofisiologi tersebut akan menyebabkan proses re-entry pada daerah iskemi. Ada beberapa prediktor yang dapat memprediksi terjadinya aritmia ventrikel pada IMA. Prediktor-prediktor tersebut dapat membuat kita sebagai dokter untuk mempersiapkan diri dan memberikan tatalaksana yang tepat dan adekuat pada pasien sedini mungkin.

Analisa Geometri Bentuk Pahat Bubut Tipe Hss Pada Proses Finishing Terhadap Keausan Permukaan Pahat Dan Benda Kerja Dalam Membubut Effendi; Zulnasri; M. Yusuf
Meteor STIP Marunda Vol 14 No 1 (2021): JUNI
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) STIP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36101/msm.v14i1.178

Prosesfinishing adalah salah satu prosesyang menentukan hasil akhir dari suatu proses permesinan di mesin bubut. Dalam penelitian ini akan memberikan 3 pahat finishing HSS dengan geometri yang berbeda dan memberikan 3 variasi putaran dan feeding yang berbeda pula. Bahan yang digunakan dalam penelitian ini adalah baja S45C dengan alat pengukur kekasaran tipe â€œTR 100 Surface Roughnessâ€. Tujuan penelitian ini adalah untuk mengetahui optimalisasi geometri pahat finishing HSS antara pahat finishing standart (SOP) dengan pahat modifikasi dengan radius pahat 10 mm dengan pemberian alur geram. Metode penelitian ini adalah eksperimental (experiment research), dengan pemberian putaran mesin 90 rpm dan 112 rpm dengan variasi feeding 0,10 mm/put, 0,125 mm/put dan 0,14 mm/put pada setiap pahat uji coba. Hasil penelitian didapat bahwa denga pemberian radius yang lebih besar dan alur geram didapatkan hasil ukuran kekasaran permukaan rata-rata 1,2 Î¼m dan hasil hitung rata-rata 0,8 Î¼m serta mempunyai efesiensi waktu 2-3% lebih cepat dari geometri pahat finishing standart.

Analisis Penurunan Performa Sistem Pendingin Main Engine Guna Kelancaran Pengoperasian Kapal MT. Medelin Expo Sitompul, Ali Muktar; Effendi; Adisurya, Dimas
Meteor STIP Marunda Vol 14 No 1 (2021): JUNI
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) STIP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36101/msm.v14i1.179

Dalam memenuhi kebutuhan operasional kinerja mesin induk di kapal MT. MEDELIN EXPO, mesin induk sering mengalami over heating dan terjadinya shut down yang disebabkan oleh pendingin yang kurang optimal. Tujuan dalam penelitian ini yaitu untuk menganalisis apa yang menyebabkan temperatur pendingin air tawar tinggi pada mesin induk dan bagaimana cara mengatasinya. Manfaat dalam penelitian ini diharapkan dapat menjadi acuan dalam melakukan perawatan dan perbaikan pada pendingin mesin induk agar mesin induk tetap optimal. Metode pendekatan yang digunakan peneliti dalam melakukan penelitian yang meliputi studi kasus, problem solving, dan metode kualitatif. Teknik pengumpulan data yang digunakan yaitu wawancara, observasi, dan dokumentasi. Subyek penelitian adalah perawatan sistem pendingin untuk mengoptimalkan operasional kapal MT.MEDELIN EXPO. Dalam penelitian ini teknik analisis yang dipergunakan adalah metode analisis deskriftif kualitatif. Hasil penelitian menunjukan bahwa adanya penyumbatan pada lubang-lubang pendingin fresh water cooler sehingga pendingin air laut yang digunakan untuk menyerap panas dari air tawar menjadi kurang maksimal. Cara mengatasinya membersihkan pendingin fresh water cooler dengan cara menyogok kerak-kerak atau lumpur keluar dari lubang pendingin fresh water cooler.

PENGATUR KECEPATAN MOTOR DC SATU KUADRAN DENGAN METODE FEEDBACK IxR Effendi; Muhammad Agil Haikal
J-Innovation Vol. 4 No. 1 (2015): J-Innovation
Publisher : Politeknik Aceh

To control the speed rotation of DC motor in single quadran as expected can be done by controlling SCRtrigger angle that connected with the armartur, the trigger angle can be generated by using LM324 as opampand comparator. The changes of current (I) on armartur winding to be reference for DC Motor speedrotation. The value of armature current for further used as feedback that connected with resistor (R)which has a very low resistance so that it can generate voltage (IxR) which represents the motor speedrotation. If the motor speed rotation different from speed reference then system will makes adjustments bychanging the trigger angle of SCR so that the motor speed rotation constant.

STUDI PERBAIKAN THD PADA MULTILEVEL INVERTER SATU FASA TUJUH TINGKAT Effendi
J-Innovation Vol. 7 No. 1 (2018): Jurnal J-Innovation
Publisher : Politeknik Aceh

Multilevel Inverter (MLI) single phase seven level in this research is constructed by using cascaded H-Bridge modification which consists of three independent DC sources in form of 9 Volt batteries which arranged in series where each source separated by MOSFET that used as switch and uses three diodes and furthermore connected with H-Bridge circuits which serves to reverse the direction of the electric current to producing alternating voltage on the resistif load. MOSFET switching circuits was designed by using SPWM Method that has modified from previous Researchers, by using the operational amplifier component that used as comparator between the reference wave in form of sinusoidal wave which having maximum amplitude 9 volts with carrier voltage that has been modified from DC sources as many as three (1.5 Volt, 4.5 Volt and 7.5 Volt) and use analog and digital electronic components which function to activate the gate of each MOSFET in the power circuits. THD that generated in this study by 11.6% while the research [3] produces THD 18.07%, and 18.40% for methods PD (Phase Disposition) PWM, APOD (Altenative Phase Opposition Disposition) PWM, thus this system is able to produce better THD than previous research

DISAIN DAN APLIKASI RANGKAIAN TRIGER SCR UNTUK PENYEARAH TERKENDALI SATU FASA Effendi; Fitriady
J-Innovation Vol. 8 No. 1 (2019): Jurnal J-Innovation
Publisher : Politeknik Aceh

This SCR trigger circuit was constructed by using Op-Amp LM324N, diodes, IC Regulator, and some others electronics equipment, this circuit used to activate SCR according to triggering angle desired by turning potentio on the duty cycle circuit, the changes of voltage value from potensio furthermore will be compared with the wave that produced by the sawtooth generator circuit with using an Op-Amp, it can producing an adjustable pulse waveform, futhermore connected to an isolation circuit in the form of a transformer which has a separate coil on the secondary side. This triggering circuit is designed to drive a single phase half wave controlled rectifier or full wave controlled rectifier that use a resistive load, as for the output waveform at the load is observed visually by using osciloscop, so that the level of accuracy produced will vary for testing at the same triggering angle by several different people.

Disain SPWM Multilevel Inverter Satu Fasa 15 Level Dengan menggunakan Kendali Arus PLN Effendi; Rachmad Ikhsan
J-Innovation Vol. 9 No. 1 (2020): Jurnal J-Innovation
Publisher : Politeknik Aceh

The fifteen level single phase Multilevel Inverter (MLI) in this research is constructed by using three independent DC sources in form of 12, 24, and 48 Volts batteries which arranged in series where each source separated by MOSFET that used as switch and uses three diodes and furthermore connected with H-Bridge circuits which serves to reverse the direction of the electric current to producing alternating current on the resistif load. MOSFET switching circuit is designed by using Sinusoidal Pulse Width Modulation (SPWM) methode which using AC PLN current as control reference system, by using the operational amplifier component that used as comparator between the reference wave with carrier voltage from DC sources as many as sevens where use analog and digital electronic components which function to activate the gate of each MOSFET in the power circuits. By using combination of voltage arrangement battery this MLI can produce an output wave not much different from previous research that is equal to 15 levels, THD of 5.6%, and frequency of 50 Hz but the number of switches, diodes and carrier voltages used is less than previous researches.

Disain dan Simulasi SPWM Multilevel Inverter Tiga Fasa Lima Belas Level Dengan Sumber Input Simetris Terpisah effendi; Zakwansyah
J-Innovation Vol. 10 No. 2 (2021): Jurnal J-Innovation
Publisher : Politeknik Aceh

Design and simulation Multilevel inverter three-phase fifteen-level in this research using modulation technics of sinusoidal pulse width modulation (SPWM) in which input voltage sources that used was arranged as symetrical and separate for each phase by using free DC source in form of battery 12 Volt, 24 Volt, and 48 Volt as well as uses seven MOSFETs for switching in each phase. To produce fifteen levels, it can be done by using a combination method of battery arrangement by activating the MOSFET switching circuit according to the results of the comparison between the reference wave in the form of a three-phase sinusoidal wave and the carrier wave in the form of a free DC source by using SPWM modulation circuits. SPWM modulation circuits15level in this research was constructed by using an Op-Amp as a comparator, AND, NOT and OR gates as well as several other electronic components.The H-Bridge circuits is used to reverse the direction of the electric current so that it can to produce alternating current on the load side which is resistive and arranged in a star connection (Y), by using the PSIM simulation program, the THD value that produced for each phase was relatively the same at 5.6%.

THE STUDENTS’ LEARNING STRATEGIES IN ACHIEVING ACADEMIC PERFORMANCE OF HIGHER TOEFL SCORES Regina Rahmi; Mulyani; Effendi
International Conference on Education, Science, Technology and Health (ICONESTH) 2023: ICONESTH
Publisher : International Conference on Education, Science, Technology and Health (ICONESTH)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/iconesth.vi.186

This research is intended to find out the learning strategies that Respondents used to get higher TOEFL scores. TOEFL is test of English as foreign language, or a standardize in measuring the abilities in English skills (Listening, Structure and Reading). This research used samples method by using qualitative approach. In this study, the writer found the respondents who got higher TOEFL scores. Then, the writer asked each of the respondent about the strategy that made their scores higher in TOEFL test. This research used both interview and questionnaire instruments. The interview was 10 questions about the TOEFL learning strategies, and the respondents answered relate to their strategy used in learning TOEFL. In addition, the writer made a questionnaire instrument in the research aimed to find out the TOEFL learning strategies scales that respondents usually applied in learning TOEFL. Moreover, The interview and the questionnaire showed that the strategies that respondents used in learning TOEFL was a proper methods to apply in learning TOEFL. In this research, the dominant strategy relate to the theory respondents used, were the audiotory and visual methods, the respondents used those because the TOEFL is the language testing, so visual and audiotory were very influential in learning learning TOEFL. In conclusion, the research illustrated that learning TOEFL has each strategy depends on the respondent, and the strategy that respondents used have been increased their TOEFL scores in official test.

The Relationship between The Characteristics of Type 2 Diabetes Mellitus Patients and The Chronic Kidney Disease Stage during The COVID-19 Pandemic at RSI Jemursari Surabaya Irawan, Danny; Effendi; Donastin, Adyan; Agustiandani, Rifka Windi; Tsabita, Andhien Syifa’; Iryawan, Rifky Dwi Aditya; Oktaviana, Betta Mega; Muhammad, Akbar Reza
Jurnal Medis Islam Internasional Vol 5 No 2 (2024)
Publisher : UNUSA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/iimj.v5i2.5606

Introduction: The prevalence of diabetes mellitus has risen globally, posing a substantial health challenge, with a marked increase reported in both developed and developing nations. Diabetes is a primary contributor to the global prevalence of Chronic Kidney Disease (CKD). During the pandemic, there is a considerable challenge, especially for CKD patients, including a loss in health services, vulnerability to COVID-19 infection, stressful events during social distancing, and a decrease in therapy adherence. Hence, the COVID-19 pandemic may give rise to various characteristics in individuals with chronic kidney disease. Objective: To investigate the correlation between the characteristic of patients with type 2 diabetes mellitus and the chronic kidney disease (CKD) stage at RSI Jemursari Surabaya during the COVID-19 pandemic. Methods: An observational analytical cross-sectional study was conducted on individuals with chronic kidney disease (CKD) previously diagnosed with diabetes mellitus (DM) during the COVID-19 pandemic from 2020 to 2022. A total of 169 samples were obtained using a simple random sampling method. The variables considered include age, gender, HbA1c, blood pressure, cardiovascular comorbidities, Pulmonary comorbidities, and history of COVID-19. Results: The study demonstrated a significant correlation between blood pressure and kidney function tests, including blood creatine level, BUN, and eGFR, with CKD stage (P<0.05). Randomised blood glucose also has a significant correlation to the CKD stage. No notable correlation was observed among age, gender, HbA1c levels, cardiovascular comorbidities, pulmonary comorbidities, and history of COVID-19. Conclusions: The presence of hypertension and abnormal kidney function test results correlate with the stage of chronic kidney disease (CKD) during a pandemic.

Co-Authors Aan Kurniawan aan, Aan Hermawan Adhitya Adisurya, Dimas Agil Haikal, M. Agus Aan Adriansyah Agustiandani, Rifka Windi Ahla Nurul Istiqomah Akas Yekti Pulih Asih Akbar Reza Muhammad Ardiansyah Ardyarini Dyah Savitri Arini Rosa Sinensis Budhi Setianto Danny Irawan Desi Susanti Diffran Nobel Bistara Difran Nobel Bistara Donastin, Adyan Fitriady Hakim, Shofiul Hazirin Herman Iryawan, Rifky Dwi Aditya Lea Maera Shanty Libra, Robert Liper Siregar M Agil Haikal M. Yusuf Marto Silalahi Muhammad, Akbar Reza MULYANI Nanik Yohana, Kristina Nathalya Dwi Kartika Sari Nikmatus Sa’adah Nindy Devita Sari Normalina Saragih Oktaviana, Betta Mega Pamuji M Jakak Pratiwi, Viera Nuriza Rachmad Ikhsan Regina Rahmi Rofiqoh, Siti Anisatur Rohim, Haresda Varrentine Sari, Ratih Mayang Sherly Siti Aisyah Sitompul, Ali Muktar Thoha Firdaus Tsabita, Andhien Syifa’ Wahid Gunarto, Wahid Wahyu Arini Widayanti Yauwan Tobing Lukiyono Yolanda, Yaspin Zakwansyah Zulnasri

Title

Found 25 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 25 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 25 Documents
Search