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{
    "pk": 52890,
    "title": "Atrial Fibrillation in a Young Patient Using High-dose Oral Diclofenac: A Case Report",
    "subtitle": null,
    "abstract": "<p><strong>Introduction</strong>: Diclofenac sodium is a widely used medication for its analgesic and anti-inflammatory properties. Although the adverse effects of diclofenac are well described, diclofenac-associated new-onset atrial fibrillation in a young, healthy adult has not been previously reported.</p>\n<p><strong>Case Report</strong>: A 22-year-old man with severe pain following an ankle injury used diclofenac sodium at a dose of 50 mg orally three times daily for one week. At the end of the week, he presented to the emergency department (ED) complaining of palpitations for a few hours. The patient had no past medical history. His physical examination revealed no pathologic signs except for tachycardia and an irregularly irregular pulse rate. An electrocardiogram showed an irregularly irregular rhythm with a ventricular rate of 128 beats per minute (bpm) (rapid ventricular response) and absent P waves, consistent with atrial fibrillation. The patient was monitored in the ED, and a standard regimen of intravenous amiodarone was initiated for rate control. Approximately three hours after initiation, sinus rhythm returned and his heart rate stabilized at 60 bpm.</p>\n<p><strong>Conclusion</strong>: This case report describes a possible association between diclofenac use and new-onset atrial fibrillation in a young, previously healthy individual. The findings highlight the need for awareness of the potential arrhythmogenic effects of diclofenac and underscore the importance of taking a careful drug history in patients presenting with unexplained atrial fibrillation.</p>",
    "language": "eng",
    "license": {
        "name": "Creative Commons Attribution 4.0",
        "short_name": "CC BY 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\r\n\r\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by/4.0"
    },
    "keywords": [
        {
            "word": "case report"
        },
        {
            "word": "Diclofenac"
        },
        {
            "word": "atrial fibrillation"
        },
        {
            "word": "Pain"
        }
    ],
    "section": "Case Reports",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/7p89z6dp",
    "frozenauthors": [
        {
            "first_name": "Sabri",
            "middle_name": "Onur",
            "last_name": "Çağlar",
            "name_suffix": "",
            "institution": "Bandırma Royal Hospital, Department of Cardiology, Balıkesir, Türkiye",
            "department": ""
        },
        {
            "first_name": "Hilal",
            "middle_name": "",
            "last_name": "Çağlar",
            "name_suffix": "",
            "institution": "Bandırma Royal Hospital, Department of Physical Therapy, Balıkesir, Türkiye",
            "department": ""
        },
        {
            "first_name": "Serdar",
            "middle_name": "",
            "last_name": "Hira",
            "name_suffix": "",
            "institution": "Bandırma Royal Hospital, Department of Biochemistry, Balıkesir, Türkiye",
            "department": ""
        }
    ],
    "date_submitted": "2025-09-16T20:51:22.822000Z",
    "date_accepted": "2025-10-20T21:24:29.709000Z",
    "date_published": "2026-03-29T21:31:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/uciem_cpcem/article/52890/galley/49305/download/"
        }
    ]
}