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Cardiology / Original Article
Syncope as a predictor of sudden cardiac arrest: a nationwide population-based study
Yun Gi Kim, Yeji Kim, Joo Hee Jeong, Kyung-Do Han, Chang-Ok Seo, Hyoung Seok Lee, Jaemin Shim, Young-Hoon Kim, Jong-Il Choi
Korean J Intern Med. 2026;41(6):1087-1100. Published online November 1, 2026
Background/Aims: The risk of sudden cardiac arrest (SCA) in patients with prior syncope events is not fully understood. We examined the association between syncope and the risk of future SCA.
Methods: Data were obtained from the Korean National Health Insurance Service database. Of those individua..
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Cardiology / Original Article
The efficacy and safety of on-label reduced-dose apixaban in patients with atrial fibrillation in real-world practice
Min-Su Jung, Jongmin Hwang, Seongwook Han, Hyoung-Seob Park, Tae-Wan Chung, Eue-Keun Choi, Il-Young Oh, Hyung Wook Park, Sung Ho Lee, Jong-Sung Park, Yae Min Park, Gyo-Seung Hwang, Dong-Hyeok Kim, Jin-Kyu Park, Jong-Il Choi; on behalf of the INSPIRE study investigators
Korean J Intern Med. 2026;41(6):1077-1086. Published online November 1, 2026
Background/Aims: In pivotal randomized trials, only a small proportion of patients received the reduced apixaban dose, limiting the generalizability of those findings. We evaluated the efficacy and safety of on-label reduced-dose apixaban in Korean patients with atrial fibrillation (AF).
Methods: Pat..
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Editorial
Leading the future of internal medicine: a message from the new editor-in-chief
Jong-Il Choi
Korean J Intern Med. 2026;41(1):1-1. Published online January 1, 2026
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Review
Inherited arrhythmia syndrome predisposing to sudden cardiac death
Yun Gi Kim, Suk-Kyu Oh, Ha Young Choi, Jong-Il Choi
Korean J Intern Med. 2021;36(3):527-538. Published online March 26, 2021
Inherited arrhythmia (IA) is one of the main causes of sudden cardiac death (SCD) in young people, and is reported to be a more prevalent cause of SCD in Asia than in Western countries. IAs are a group of genetic disorders caused by mutations in genes encoding cardiac ion channels, leading to electr..
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Cardiology / Original Article
Impact of carotid atherosclerosis in CHA2DS2-VASc-based risk score on predicting ischemic stroke in patients with atrial fibrillation
Dong-Hyuk Cho, Jong-Il Choi, Jimi Choi, Yun Gi Kim, Suk-Kyu Oh, Hyungdon Kook, Kwang No Lee, Jaemin Shim, Seong-Mi Park, Wan Joo Shim, Young-Hoon Kim
Korean J Intern Med. 2021;36(2):342-351. Published online February 27, 2020
Background/Aims: Vascular disease is an established risk factor for stroke in patients with atrial fibrillation (AF), which is included in CHA2DS2-VASc score. However, the role of carotid atherosclerosis remains to be determined.
Methods: Three hundred-ten patients with AF who..
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