Fibricheck Detection cApabilities for Atrial Fibrillation

Inclusion Criteria:

• At least 22 years old;

• Capable of independently performing FibriCheck recordings (researcher-observed);

• Cardiology patients, hospitalized/in-clinic or consulting the cardiac outpatientclinic, with or without a diagnosis of atrial fibrillation.

Exclusion Criteria:

• Individuals with cardiac pacemakers, implantable cardioverter-defibrillators, orother implanted electronic devices as these can influence the natural heart rhythm;

• Individuals enrolled in another clinical trial;

• Individuals with physical or medical characteristics that prevent them fromsuccessfully taking a measurement e.g. extreme callus (i.e., rough or thickened areaof skin fingertip), tremor, cognitive impairment, Parkinson's disease;

• Pregnant and/or nursing women.