Addition of a Pectoserratus Block to Interscalene Block in Patients Undergoing Total Shoulder Replacement

Exclusion Criteria

• •Patients who have an exclusion to regional anesthesia such as pre-existing nerve damage to their brachial plexus or infection at the site of injection.
• •Patients who have exclusion to interscalene blockade such as severe lung disease.
• •Non-English speakers will be excluded because pain scales are not validated in other languages and there is lack of standardization of pain reporting.
• •Pregnant patients
• •Patients who are currently using opioids and patients with a diagnosis of chronic pain will be excluded.