A 35 year old patient was seen in the Out Patient Department of a Hospital with droopy eyes and difficulty in speech. She gets easily tired even during minimal activities and exhaustion can be rapidly...

A 35 year old patient was seen in the Out Patient Department of a Hospital with droopy eyes and difficulty in speech. She gets easily tired even during minimal activities and exhaustion can be rapidly seen after succeeding physical activities.

What are diagnostic techniques used in the disease that involves drugs in the procedure?