Clinical Research Directory

Inclusion Criteria: * Any patient consulting for the main reason of palpitations; without a previous diagnosis of arrhythmia, unless the current symptomatology appears different from that associated with the previous rythmological diagnosis; * Palpitations requiring cardiological consultation or emergency hospital treatment; * Absence of suggestive diagnosis on intercritical 12-lead ECG (pre-excitation, AVB M2/3, high-grade atrioventricular block, non-sustained tachyventricular, atrial fibrillation with heart rate; 110 per minute, atrial tachycardia or flutter); * Non-contributory stress test (no electrical abnormality, occurrence of arrhythmia or reproduction of palpitations) if isymptoms occur during exercise; * Accepts to wear the watch all the time outside the charging time; * Using a personal smartphone or tablet compatible with the Health Mate application and with an Internet connection; * Affiliated with a social security system ; * Providing dated and signed an informed consent form. Exclusion Criteria: * Refusal to wear the connected watch; * Refusal to use the watch provided for the study because they use a personal connected watch; * Unable to use the connected watch (lack of understanding of its use and rationale); * No smartphone; * Wearer of an implantable device (PM, ICD); * Already known and treated arrhythmia with identical symptoms; * Heart disease with indication for primary/secondary prevention implantable device; * Associated syncope; * Obvious extra-cardiac cause; * Pregnant or breast-feeding woman; * Inability to undergo study follow-up for geographical, linguistic, social or psychological reasons; * Participating in another clinical study which can interfere with this study * Patient under guardianship or deprived of liberty.