Influence of Cardiac Implantable Electronic Devices on the Hemostatic System

Patients who have indications will receive cardiac implantable electronic device implantation.

Patients who have indications will receive cardiac implantable electronic device replace.

Patients will undergo ultrasound examination of the vessels of the upper and lower extremities.

Patients will undergo an ultrasound examination of the heart.

Patients will be taken venous blood to determine the studied markers of hemostasis system.