As it is mentioned in our article, 142 (51.6%) patients with Embolic Stroke of Undetermined Source (ESUS) had a 24-hour ambulatory Holter monitoring, whereas 195 (70.9%) ESUS patients had continuous electrocardiographic (ECG) monitoring for 1 week or until discharge from the stroke unit. For the latter patients, continuous ECG monitoring was observed by the trained nurse personnel of the acute ...