Your Patient Is a 57-Year-Old Male Who Is Alert and Oriented

Your patient is a 57-year-old male who is alert and oriented and complaining of a slight headache. His coworker states the patient "fainted." The patient describes feeling weak and lightheaded before the incident and "came to" lying on the floor. Medical history includes cardiovascular disease with a history of angina and hypertension. Medications include clopidogrel (Plavix) , nitroglycerin, and metoprolol. Which of the following is least helpful when formulating a field impression for this patient?

A) Pulse oximetry
B) Neurological exam
C) Cardiac monitoring
D) Orthostatic vital signs