<qa>  What is the goal of the study?Purpose of the study is to compare intravenous Tranexamic Acid TXA versus normal saline placebo to determine whether or not TXA administration reduces blood loss, decrease in hemoglobin, and rate of transfusions following anatomic and reverse total shoulder arthroplasty TSA surgeries. With the hypothesis that intravenous TXA will reduce blood loss following TSA. 