The document outlines a national call to action for a venous thromboembolism (VTE) audit aimed at improving patient safety by focusing on thromboprophylaxis implementation, given that 60% of VTE cases are hospital-acquired. It includes details about the audit's purpose, procedures for participation, and the importance of measuring compliance with safety standards. The document also provides data from previous audits, highlighting areas for improvement and the positive effects of quality improvement efforts on VTE prevention.