Understanding Nystagmus and Central Vertigo

The video tutorial explains nystagmus, a condition characterized by abnormal eye movements. It describes how nystagmus can change direction when looking in different directions, known as bidirectional nystagmus. This condition is highly specific for central vertigo, although not all patients with central vertigo exhibit it.

What happens to the nystagmus when the woman looks to the right?

• It becomes faster.

• It stops completely.

• It beats to the right.

• It beats to the left.

What is the term used when nystagmus changes direction with the gaze?

• Unidirectional nystagmus

• Static nystagmus

• Multidirectional nystagmus

• Bidirectional nystagmus

Which of the following is true about bidirectional nystagmus?

• It is common in all types of vertigo.

• It is highly specific for central vertigo.

• It is not related to vertigo at all.

• It only occurs in peripheral vertigo.

Does every patient with central vertigo exhibit bidirectional nystagmus?

• Only in severe cases.

• Not necessarily.

• No, never.

• Yes, always.

What is the significance of observing bidirectional nystagmus in a patient?

• It confirms the absence of vertigo.

• It indicates peripheral vertigo.

• It shows that the patient is recovering.

• It suggests a central cause of vertigo.