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
StressDisorder #PTSD #BehavioralDisorder ... #Pathophysiology ... diagnosis #symptoms #signs ... #psychiatry
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect
Examples: Valproate, Carbamazepine, Lamotrigine
 • Mild anticholinergic effect -> Drowsiness
Anticonvulsants ... thrombocytopenia #Anticonvulsants ... #SideEffects #Pathophysiology ... #Psychiatry #Pharmacology
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
Serotonin #Inhibitors #Pathophysiology ... #Pharmacology # ... SideEffects #Psychiatry ... #Diagnosis #Signs
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
SerotoninNorepinephrine #Inhibitors #Pathophysiology ... #Pharmacology # ... SideEffects #Psychiatry ... #Diagnosis #Signs
Major Depressive Disorder (MDD): Pathogenesis and Clinical Findings

Symptoms (included in DSM 5 criteria) - Present during
Depressive Disorder (MDD ... features) #MDD ... MoodDisorders #Diagnosis #Pathophysiology ... #Signs #Symptoms ... #Psychiatry
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
at > 17 years old ... AttentionDeficitHyperactiveDisorder #ADHD #BehavioralDisorder ... #Pathophysiology ... diagnosis #symptoms #signs ... #psychiatry #criteria
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
Deficiency (21-OHD ... degrees of 21-OHD ... Signs/Symptoms/Complications ... #21HydroxylaseDeficiency #21OHD #pathophysiology ... #genetics #endocrinology
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
PanicDisorder #Anxiety #BehavioralDisorder ... #Pathophysiology ... diagnosis #symptoms #signs ... #psychiatry
Oppositional Defiant Disorder (ODD): Pathogenesis and clinical findings
 - Must have >4 symptoms for >6 months,
Defiant Disorder (ODD ... #BehavioralDisorder ... #Pathophysiology ... diagnosis #symptoms #signs ... #psychiatry #criteria
Social Anxiety Disorder (SAD) - Pathophysiology 
Excessive fear of one or more social situations
 • Safety
Disorder (SAD) - Pathophysiology ... SocialAnxiety #BehavioralDisorder ... #SAD #Pathophysiology ... diagnosis #symptoms #signs ... #psychiatry