A 3-year-old boy has 3 episodes of limb jerking. His teacher has noticed that at times he does not concentrate in class.
A. Computed tomography scan of the brain
B. Echocardiogram
C. Electrocardiogram
D. Electroencephalogram
E. Liver function tests
Ans. The key is D. Electroencephalogram. [Patient has more than 1 episodes of limb jerking which brings epilepsy as a possible cause and hence we shall do D. Electroencephalogram in this patient