Environmental Exposures 463423.A 42-year-old man presents to the ED after sustaining an electric
shock when he was changing a wall outlet. The patient complains of pain
in the finger that was shocked. Visual inspection reveals localized erythema
at the distal tip but good capillary refill, 2+radial, and ulnar pulses and full
range of motion of that hand and extremity. Chest auscultation reveals a
normal S 1 and S 2 with clear and equal breath sounds bilaterally. There are
no other signs of trauma. What diagnostic test should be performed next in the
complete evaluation of this patient?
a. Urinalysis
b. Basic metabolic panel
c. Chest radiograph
d. Electrocardiogram (ECG)
e. Arterial Doppler