CSD (3PD) and Conversion Disorder

What is Chronic Subjective dizziness now known as?

3PD

What does 3PD stand for?

Persistent Postural Perceptual Dizziness

Is CSD (3PD) a true vertigo or ataxia?

No

What do patients describe as their symptoms in 3PD?

They describe vague, nonspecific light-headedness, subjective sensations of imbalance

They may complain that the inside of their head is spinning or that they are swaying when standing still

What are some symptoms of CSD?

• Dizziness persistent > 3 months

• Hypersensitivity to motion that’s chronic > 3 months

• Visual vertigo

What will tests show of a patient with 3PD?

It will show an absence of active physical neurotologic illnesses, medical conditions or medications that may cause dizziness

Normal radiographic images of the brain

Normal or non-diagnostic findings on balance function tests

What is conversion disorder?

A condition in which one shows psychological stress in physical ways

Conversion disorde signs and symptoms appear with no underlying cause, and your patient can’t control them.

What are some common conversion disorder symptoms?

1. Poor coordination or balance

2. Paralysis in one arm or leg

3. Difficulty swallowing

4. Inability to speak

5. Deafness

How do we diagnose conversion disorder?

1. Symptoms not explained by neurological disease

2. Determination of psychological factors

3. Exclusion of malingering

4. Determined by a neurologist and/or a psychiatrist