Muscle Junction Disease

Question 1

Women presents with stiffness and cramping of her hands. She finds it hard to relax her muscles especially after shaking someone’s hand it takes a while to let it go. After some investigations it is due to a disturbance in the voltage activated potassium channels. What is the likely diagnosis?

Answer 1

Neuromyotonia

Question 2

What is the treatment of neuromyotonia

Answer 2

Suppress excitability of nerve and muscle using carbamazepine and pheytoin