Description: Segment 1 The intertitles describe the symptoms of myasthenia gravis: weakness of facial, neck and limb muscles. A female patient is shown. She tries to raise her eyebrows and move and open her eyes. She tries to frown and close her eyes. The intertitles describe her mouth and arm movements as weak. The intertitles say that neostigmine and atropine are given intramuscularly and after 10 minutes the patient is shown repeating the same movements. Her movements are improved. Time start: 00:00:00:00 Time end: 00:03:07:24 Length: 00:03:07:24