1b Mental Disorders and Physical Health Flashcards
What causes post stroke psychosis?
Right sided middle cerebral artery lesions affecting the frontal and temporal regions
What are the most common reported symptoms of post stroke psychosis?
Delusions - generally of the persecutory or jealous type
What are the most common perceptual abnormalities of a post stroke psychosis?
Auditory hallucinations
What factors affect the timely diagnosis of physical disorders in people with mental disorders?
Illness behaviour
Diagnostic overshadowing
Stigma
Lack of resources
What is diagnostic overshadowing?
misattribution of physical symptoms to psychiatric symptoms
What is the MoCA
montreal cognitive assessment
What is altered perception?
1) Altered perceptions—includingsensory distortionsandillusions—in which there is a distorted internal perception of a real external object
What are the four types of hallucinations?
Visual hallucinations (most common type in delirium)
Auditory hallucinations
Gustatory or olfactory hallucinations
Tactile hallucinations
What is delirium?
organic cerebral syndrome characterized by concurrent disturbances of consciousness and attention, perception, thinking, memory, psychomotor behaviour, emotion, and the sleep-wake schedule. The duration is variable and the degree of severity ranges from mild to very severe
What is delirium an example of?
the psychiatric manifestation of physical disease
How does a critical illness lead to delirium?
A critical illness leads to increased cortisol and cerebral hypoxia ( older adults predisposed) which leads to↓acetylcholine synthesis and dysfunctions of hippocampal and neocortical areas
What is the adjustment reaction?
States of subjective distress and emotional disturbances arising in the period of adaptation to a siginificant life event
Why does delirium occur in chronic illness?
leads to increased cortisol and cerebral hypoxia which leads to decreased acetylcholine synthesis and dysfunctions of hippocampal and neocortical areas
What is the BPSD?
Behavioural and psychological symptoms of dementia
What happens to the MoCA score in BPSD?
abnormal MoCA
