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 ... 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 ... reduce obsessional anxiety ... Diagnosis #Psychiatry #Signs
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
Experiential Avoidance ... • Avoidance of ... carrying anti-anxiety ... #BehavioralDisorder ... diagnosis #symptoms #signs
Major Depressive Disorder (MDD): Pathogenesis and Clinical Findings

Symptoms (included in DSM 5 criteria) - Present during
Depressive Disorder (MDD ... included in DSM 5 criteria ... partum onset) - Anxiety ... features) #MDD ... Pathophysiology #Signs
Schizotypal Personality Disorder (SPD): Pathogenesis and clinical findings
Cognitive-Perceptual
 • Magical thinking - Belief in paranormal or
Personality Disorder (SPD ... anhedonia • Social Anxiety ... reference - Anxiety ... Diagnosis #Psychiatry #Criteria ... #Signs #Symptoms
Dependent Personality Disorder (DPD): Pathogenesis and Clinical Findings
 • Difficulties with Activities - Initiation Of projects
Personality Disorder (DPD ... themselves • Avoidance ... themselves DPD ... Diagnosis #Psychiatry #Criteria ... #Signs #Symptoms
Borderline Personality Disorder: Pathogenesis and Clinical Findings
Behavioral Traits:
 • Unstable Relationships - Alternating extremes of idealization
/ irritability/anxiety ... experienced BPD ... impairment #BPD ... Diagnosis #Psychiatry #Criteria ... #Signs #Symptoms
Social Anxiety Disorder (SAD) - Pathophysiology 
Excessive fear of one or more social situations
 • Safety
Social Anxiety Disorder ... Behaviors and Avoidance ... Panic Attacks, avoidance ... SocialAnxiety #BehavioralDisorder ... diagnosis #symptoms #signs
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
at > 17 years old ... AttentionDeficitHyperactiveDisorder #ADHD #BehavioralDisorder ... diagnosis #symptoms #signs ... #psychiatry #criteria
Conduct Disorder (CD): Pathogenesis and clinical findings
 - Must have >3 symptoms present in the past
individual is >18 years old ... , criteria must ... #BehavioralDisorder ... diagnosis #symptoms #signs ... #psychiatry #criteria