PT - JOURNAL ARTICLE AU - Yambe, Minoru AU - Nakano, Takao AU - Kumagai, Koji AU - Komaru, Tatsuya TI - Asymptomatic takotsubo syndrome occurring during Holter monitoring AID - 10.1136/bcr-2021-244979 DP - 2021 Nov 01 TA - BMJ Case Reports PG - e244979 VI - 14 IP - 11 4099 - http://casereports.bmj.com/content/14/11/e244979.short 4100 - http://casereports.bmj.com/content/14/11/e244979.full SO - BMJ Case Reports2021 Nov 01; 14 AB - Asymptomatic takotsubo syndrome was observed during periodic Holter monitoring in a man in his 60s undergoing maintenance dialysis. No emotional or physical stress was noticed. The electrocardiographic changes at onset were determined, and repeated ST elevation and progressive formation of giant negative T waves were recorded.