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 ... StressDisorder #PTSD #BehavioralDisorder ... #Pathophysiology
Pathogenesis of Anxiety Disorders

Anxiety Disorders: A maladaptive emotional state causing fear,
worry, and excessive stress, characterized by:
Pathogenesis of Anxiety ... Disorders Anxiety ... reporting rates) • Genetics ... acid (GABA) #Anxiety ... #Disorders #Pathophysiology
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
Neurotic personality Genetics ... carrying anti-anxiety ... Anticipatory Anxiety ... #BehavioralDisorder ... #Pathophysiology
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
PraderWilli #Syndrome #genetics ... #pathophysiology ... #peds #pediatrics
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
#21HydroxylaseDeficiency #21OHD #pathophysiology ... #genetics #endocrinology ... #peds #pediatrics
Pediatric Parasomnias and Nightmares: Pathogenesis and clinical findings

Parasomnias - Micro-arousal episodes during SWS ->
Intense activation of
system -> • Fear/anxiety ... Nightmares #Pediatrics #Peds ... #pathophysiology
Erectile Dysfunction: Pathogenesis

Erectile Dysfunction - Persistent or recurrent inability to achieve an erection sufficient to achieve
erection present -> Anxiety ... and rigidity Endocrinologic ... #Dysfunction #Pathophysiology
Social Anxiety Disorder (SAD) - Pathophysiology 
Excessive fear of one or more social situations
 • Safety
Social Anxiety Disorder ... (SAD) - Pathophysiology ... reduce social anxiety ... SocialAnxiety #BehavioralDisorder ... #SAD #Pathophysiology
Oppositional Defiant Disorder (ODD): Pathogenesis and clinical findings
 - Must have >4 symptoms for >6 months,
develop mood and anxiety ... OppositionalDefiant #ODD #BehavioralDisorder ... #Pathophysiology
Anorexia Nervosa: Pathogenesis and Risk Factors
Biological Risk Factors
 • Gender: F > M
 • Genetics: concordance
Gender: F > M • Genetics ... Temperament: childhood anxiety ... AnorexiaNervosa #pathophysiology