[Verified Answer]: A 78 y/o male patient with PMH significant…

A 78 y/o male patient with PMH significant for hypertension (lisinopril/ hydrochlorothiazide daily) hyperlipidemia (atorvastatin daily), and aortic stenosis with subsequent mechanical aortic valve replacement (Warfarin for CVA prophylaxis), presents to the ED with new-onset confusion and gait disturbance. According to the patient’s wife, the patient suffered a fall 3 days ago while clearing snow from his driveway. The patient struck his head and has complained of a headache since the event, but has declined to seek medical attention until now. The patient’s vital signs on presentation are as follows: BP 160/90, HR 90, RR 22, Temp 98.2F Upon your exam, you find the patient to be oriented to person, but is unable to answer with the correct date, time, or location. His pupils are equal, round, reactive to light, and accommodate appropriately. His motor and sensory function is grossly equal bilaterally. 1.) What initial diagnostics would be appropriate in this patient’s case?