Organic Psychiatry Flashcards
1
Q
What is organic psychiatry?
A
Secondary psychiatric symptoms due to pathology in brain or elsewhere
2
Q
Which areas of the brain can cause visual hallucinations?
A
Retina
Optic system
Corresponding cortical area for vision
And Tracts
3
Q
What are some patterns of hallucinations?
A
Branching patterns Geometric repeating pattern Vivid colourful formed animals or people Children, people, soldiers Landscapes
4
Q
What is Charles Bonnet Syndrome?
A
Visual hallucinations in elderly who are visually impaired and psychological intact
5
Q
What is peduncular hallucinosis?
A
Cerebral peduncle and other lesions
6
Q
What are some other causes of visual hallucinations?
A
Lewy Body dementia Narcolepsy cataplexy syndromes Migraine Temporal lobe epilepsy Delirim tremens Hallucinogens
7
Q
What is a classic MRI finding for HD?
A
Bilateral caudate atrophy
8
Q
What is an acanthocyte?
A
Spiky RBC
9
Q
What are some clues that psychiatric symptoms are organic?
A
Late onset psychiatric symptoms eg mania Vivid visual hallucination The presence of neurological signs Cognitive changes Changes in conscious state
