The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Account created for The Calgary Guide to Understanding Disease - Linking pathophysiology to clinical presentation - http://calgaryguide.ucalgary.ca/
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Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
startle reflex • Anxiety ... of trauma • Avoidance ... feelings) #PostTraumatic ... StressDisorder #PTSD #BehavioralDisorder ... diagnosis #symptoms #signs
Obsessive-Compulsive Disorder (OCD): Pathogenesis and clinical findings

Psychological Hypothesis
 • Cognitive behavioral model: Emotional disturbance arising from
or stimuli • Avoidance ... maladaptive beliefs and anxiety ... Dysregulation of anxiety ... ObsessiveCompulsive #PersonalityDisorder ... Diagnosis #Psychiatry #Signs
Oppositional Defiant Disorder (ODD): Pathogenesis and clinical findings
 - Must have >4 symptoms for >6 months,
Defiant Disorder (ODD ... develop mood and anxiety ... #BehavioralDisorder ... diagnosis #symptoms #signs ... #psychiatry #criteria