Anxiety, OCD, Trauma, Stressor-related disorders Flashcards
What are the risk factors for OCD?
- Cortico-striato-thalamo-cortical circuit’s abnormalities
- Sexual abuse, bullying in early life
- Streptococcal infection, stress, unhealthy lifestyle
What is the prevalence of OCD?
2-3% of population
*females more than male
*50% have suicidal ideas
What is the diagnostic criteria for OCD?
- Obsession & Compulsion (one or both)
- Time-consuming
- Impaired function or distress (significant)
- Not caused by substance or other mental illness
What are the patterns of OCD?
Obsession > Compulsion
- Safety > Frequent checking
- Contamination > Washing or cleaning
- Symmetry > Counting or order
Tx for OCD?
- Psychotherapy (CBT, Exposure & response prevention*)
- SSRI
Body dysmorphic disorder:
- Perceive part of body as a defect (nose, hair, skin)
- Dx: must cause impairment in function
- Tx: CBT, SSRI (if needed)
Hoarding disorder
HOLDING disorder
- accumulate items (can’t throw them away)
- Tx: CBT
Trichotillomania
تشد الشعر
- Pulling the hair > lead to Alopecia
- R/O fungal causes of hair loss
- Tx: CBT, SSRI (if needed)
Excoriation (skin)
Skin picking leading to lesions
Tx: CBT + SSRI (if needed)
What are the diagnostic criteria for PTSD?
T - trauma (exposure)
R - re-exposure (nightmares, flashbacks..)
A - avoidance (of trigger)
U - inability to function
M- month (at least)
A - arousal symptoms (2 or more)
-
N - negative symptoms (2 or more)
What is the characteristic of Acute Stress Disorder?
Trauma occurred < 1 month
symptoms < 1 month
What are the negative symptoms of PTSD?
- Dissociative amnesia (memory gaps)
- Negative feeling and emotions (fear, horror, guilt)
- Anhedonia (loss of interest)
- Feeling of detachment
- Inability to experience positive emotions
What are the symptoms of increased arousal?
- High alertness
- Irritability/anger
- Impaired concentration
- Insomnia (don’t wanna dream)
- Exaggerated startle response
What is the recovery rate for PTSD patients?
50% of patients recover within 3 months
What is the treatment for PTSD?
First line: SSRI or SNRI +/- alpha-1 receptor antagonist (this one target nightmares and paranoia)
+ CBT + Supportive therapy