Neurology

Question 1

What are the three causes of LOC?

Answer 1

1. Syncope
2. Epilepsy
3. Dissociative/non-epileptic attack

Question 2

What causes syncope?

Answer 2

Insufficient blood or oxygen supply to the brain

Question 3

Give three presyncopial symptoms

Answer 3

Pallor, nausea, sweating

Question 4

Length of syncope

Answer 4

5-30s

Question 5

Syncope recover by how long?

Answer 5

30s

Question 6

Cause of non-epileptic seizure?

Answer 6

Mental processes caused by psychosocial distress

Question 7

Duration of NEA

Answer 7

1-20mins

Question 8

Presentation of non-epileptic seizure?

Answer 8

Dramatic motor phenomena or atonia
Eyes closed
Ictal crying or speaking
Rapid or very slow recovery
History of psychiatric disorder

Question 9

Cause of epilepsy?

Answer 9

Paraoxysmal hypersychonous neuronal discharges in the brain

Question 10

Length of epileptic seizure

Answer 10

30-120s

Question 11

Typical features of epileptic seizure

Answer 11

Deja vu, tongue bite, cyanosis, can occur from sleep, post ictal confusion

Question 12

What is epilepsy?

Answer 12

Tendency to experience recurrent unprovoked epileptic seizures