The investigators will evaluate the effect of a real-time audiovisual feedback system on CPR quality during in-hospital cardiac arrest.

Inclusion Criteria:

• Patients over 17 years old who require cardiopulmonary resuscitation in a medical or surgical intensive care units

Exclusion Criteria:

• Patients less than 18 years
• Patients with Do Not Resuscitate order
• Patients who require cardiopulmonary resuscitation outside a medical or surgical intensive care unit