Judul: Studi Kasus Interpretasi Radiografi Gangguan Sistem Kardiovaskular Pada Anjing Di Klinik Hewan My Vets Bumi Serpong Damai Dan Kemang Selatan
Abstrak: This study was aimed to present radiographic interpretation of cardiovascular system disorder in dogs at My Vets Animal Clinic Bumi Serpong Damai Tangerang and Kemang Selatan. Radiographical interpretation was using Röntgen pictures from 7 dogs including their medical records. Parameters examined were VHS (Vertebrae Heart Size) measurement, dorsoventrally or ventrodorsally heart size to thorax cavity measurement, and enlargement of heart chamber. Furthermore, the other parameters that also performed in this study were enlargment of main blood vein measurement which was aorta, main pulmonary artery, caudal of vena cava, and lungs surface scoring. Main changes found were pulmonary vein dilatation which was found in all cases. Alveolar pattern change, air bronchogram, was found in 86% cases of lungs surface scoring. Main vein dilatation cases were 56% of all cases examined. Heart enlargement was found in 2 dogs. Along with those findings, another radiographic changes were also found with variying frequency. All radiographic findings on the cardiovascular system disorder described above lead to make a specific diagnosis and differential diagnosis of certain diseases that were discussed in depth in this study.
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Judul: A Case Study of Hypertrophy Cardiomyopathy, Sinus Tachycardia, and Endocardiosis of Labrador Retriever Dog
Abstrak: Penyakit jantung sering menyerang anjing. Studi kasus ini bertujuan mengetahui peran pemeriksaan penunjang seperti elektrokardiografi (EKG), radiografi dan ultrasonografi (USG) dalam menegakkan diagnosis hipertrofi kardiomiopati (HCM), sinus takikardia, dan endokardiosis pada anjing Labrador retriever. Anamnesis yang diperoleh ialah anjing mengalami batuk intermiten. Pemeriksaan EKG tidak menunjukkan kelainan pada gelombang P, Q, R, S, dan T, namun terdeteksi adanya peningkatan detak jantung hingga 200 beats per minute. Temuan radiografi tampilan ventrodorsal ialah kondisi kardiomegali. Pemeriksaan USG brightness mode (B-mode) menunjukkan adanya penebalan pada muskulus papillaris dan endokadium. Pemeriksaan USG motion mode (M-mode) menunjukkan adanya peningkatan denyut jantung dan ketebalan left ventricle posterior wall-diastole (LVPWd), serta penurunan ejection time (ET), end diastolic volume (EDV), end systolic volume (ESV), dan stroke volume (SV). Pemeriksaan USG color flow Doppler (CFD) tidak menunjukkan adanya kelainan katup atrioventrikular dan katup semilunaris. Berdasarkan hasil pemeriksaan, hewan didiagnosis mengalami sinus takikardia, endokardiosis, dan HCM., Heart disease often affects dogs. This case study aims to determine the role of supporting examinations such as electrocardiography (ECG), radiography and ultrasonography (USG) to diagnose hypertrophy cardiomyopathy (HCM), sinus tachycardia, and endocardiosis in Labrador retrievers. The history obtained was that the dog had an intermittent cough. The electrocardiography did not showed any abnormalities in the P, Q, R, S, and T waves, but an increase in heart rate was detected up to 200 beats per minute. The radiographic finding on the ventrodorsal view was cardiomegaly. The Brightness mode (B-mode) ultrasound examination showed an increase in thickness of the papillary muscles and endocardium. Motion mode (M-mode) ultrasound examination showed an increase in heart rate and thickness of the left ventricle posterior wall-diastole (LVPWd), and decreased ejection time (ET), end diastolic volume (EDV), end systolic volume (ESV), and stroke volume (SV). Color flow Doppler (CFD) ultrasound examination did not show any abnormalities of the atrioventricular valve and semilunar valve. Based on the examination results mention above, the animal was diagnosed as/suffered from sinus tachycardia, endocardiosis, and HCM.
Keyword: electrocardiography, heart disease, Labrador retriever, radiography, ultrasonography

Judul: Sintesis 1-Kloro-2-metoksi-6-propilnaftalena-1,3-dioksolana (1:1) sebagai Prekursor Asam (S)-(+)-(6-Metoksi-2-naftil)propanoat
Abstrak: Senyawa 1-kloro-2-metoksi-6-propilnaftalena-1,3-dioksolana (1:1) sebagai prekursor asam (S)-(+)-(6-metoksi-2-naftil)propanoat disintesis dari bahan awal 2-metoksinaftalena. Tahapan sintesis diawali dengan klorinasi menggunakan 2 jenis pereaksi klorinasi, yakni isosianurat terklorinasi dan NaOCl. Klorinasi dengan isosianurat terklorinasi berhasil menyintesis 1-kloro-2-metoksinaftalena sebagai produk monoklorinasi melalui pencirian dengan kromatograf gas-spektrometer massa (GC-MS). Nisbah konversi produk paling efisien diperoleh pada laju penambahan 2.5 mmol/jam. Sebaliknya, klorinasi dengan NaOCl menghasilkan produk triklorinasi. 1-Kloro-2-metoksinaftalena selanjutnya diasilasi dengan propanoil klorida, tetapi analisis dengan GC menunjukkan bahwa produk asilasi tidak terbentuk. Sistem bebas-air diperlukan untuk keberhasilan proses asilasi tersebut.
Keyword: isosianurat terklorinasi, NaOCl, nisbah konversi