• Internal medicine · Dec 2022

    Review Case Reports

    Swallowing-induced Paroxysmal Atrial Tachycardia Causes Weight Loss and Fainting During Mealtime: A Case Report and Literature Review.

    • Tsugumi Hosoe, Kenzo Uzu, Kiyohiro Hyogo, Ryosuke Takahashi, Sho Tamai, Tomoyuki Nagano, Yasushi Shimokawa, Soichiro Ota, Hideaki Okubo, and Hiroki Shimizu.
    • Department of Cardiology, Konan Medical Center, Japan.
    • Intern. Med. 2022 Dec 1; 61 (23): 353135353531-3535.

    AbstractSwallow or deglutition syncope is an unusual disorder. We herein report an 80-year-old man with paroxysmal atrial tachycardia induced by swallowing, causing syncope. Initially, we suspected a digestive disorder and found no significant findings. Finally, a swallowing test with monitoring of the heart rate and blood pressure helped in the diagnosis. The patient was treated with antiarrhythmic drugs and catheter ablation. The mechanism underlying swallowing-induced tachycardia presumably involves mechanical stimulation of the esophagus and autonomic nervous system effects. However, few cases have been reported, and the exact mechanism remains unclear.

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