Inclusion Criteria:  American Society of Anesthesiologists (ASA) 2-3 patients between the ages of 18-80 who are scheduled for elective cardiac surgery (coronary artery bypass graft surgery +/- valve replacement or isolated valve surgery) BMI <35 kg / m2  Exclusion Criteria:  Emergent surgeries, redo cases, minimally invasive procedures Patients who do not want to participate Patients with cognitive dysfunction (patients who are not able to evaluate the verbal numerical pain scale) Hypersensitivity or history of allergies to local anesthetics Major liver or kidney dysfunction or other pre-existing major organ dysfunction Left ventricular ejection fraction <30 Individuals with mental health disorders (for example bipolar disorder or depression) Pregnancy or breastfeeding Presence of hematological disease Patients with alcohol-drug addiction