Which of the following is least likely to be a co-morbidity with congestive heart failure?

Which EKG lead localizes to the base of the heart?

The nurse works in the emergency department and assesses a patient who is complaining of mid-sternal chest pain. What is the nurse’s first action?

A 50-year-old female presents to emergency room after complaining of chest pain that came on while at home watching television, she thought she was having a heart attack. The nurse proceeds to gather more history about this client. The client does not have a history of coronary artery or heart disease, but does report a history of migraine headaches and Raynaud's disease. There was a previous episode at this hospital where a transient ST segment elevation was identified on her EKG.

Based on these findings, the nurse might suspect what condition?