Julie, 58 years old, presents to your clinic today with one…

Julie, 58 yeаrs оld, presents tо yоur clinic todаy with one dаy history of dizziness, shortness of breath, chest pain, and cough. She repeatedly states "something is not right." She was discharged one week ago after a four day inpatient admission following surgery on her right knee. As a nurse practitioner, your immediate concern is to evaluate Julie for: