Which of the Following Is a Risk Factor for Thrombosis and Embolism in This Patient

Mr. Santos, a 55-year-old Male, Was Admitted to the Hospital with Complaints of Sudden Onset Chest Pain and Shortness of Breath. He Has a Medical History of Hypertension and Smoking. Upon Assessment, the Nurse Notes Elevated Blood Pressure and Tachycardia. the Physician Suspects a Thrombotic Event and Orders Further Diagnostic Tests