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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Major Depressive Disorder (MDD): Pathogenesis and Clinical Findings

Symptoms (included in DSM 5 criteria) - Present during
Major Depressive ... partum onset) - Anxiety ... features) #MDD #MajorDepressiveDisorder ... #Diagnosis #Pathophysiology ... #Psychiatry
Major Depressive Disorder: Complications
 • Recurrent Depressive Episodes
 • Early parenthood
 • Social isolation and interpersonal
Major Depressive ... dependence • Anxiety ... birth weight #MajorDepressiveDisorder ... Complications #Pathophysiology ... #Psychiatry
Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
startle reflex • Anxiety ... BehavioralDisorder #Pathophysiology ... #diagnosis #symptoms ... #signs #psychiatry
Bipolar Disorder: Pathogenesis and Clinical Findings
 • Disruption of emotional homeostasis
 • Oscillation between mood states
maintain this state Depressive ... - Incr guilt, anxiety ... MoodDisorders #Diagnosis #Pathophysiology ... #Signs #Symptoms ... #Psychiatry
Alcohol Use Disorder: Pathogenesis and Clinical Findings

 • Tolerance (reduced sensitivity to effects of EtOH)
 •
• Withdrawal symptoms ... , seizure, and anxiety ... AlcoholUseDisorder #EtOH #Pathophysiology ... Diagnosis #Signs #Symptoms ... #Psychiatry
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
Ketoacidosis (DKA ... Findings • Note: in DKA ... Signs/Symptoms/Complications ... #pathophysiology ... #endocrinology
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
Pathogenesis and Symptoms ... cause the Positive Symptoms ... Diminished emotional expression ... Schizophrenia #pathophysiology ... #signs #psychiatry
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
pathway -> Incr gene expression ... lipolysis Signs/Symptoms ... #FeedbackLoop #endocrinology ... #pathophysiology
Pediatric Parasomnias and Nightmares: Pathogenesis and clinical findings

Parasomnias - Micro-arousal episodes during SWS ->
Intense activation of
Fearful facial expression ... system -> • Fear/anxiety ... Pediatrics #Peds #pathophysiology ... #symptoms #pharmacology
Seasonal Affective Disorder: Pathogenesis and clinical findings

Symptoms (included in the DSM-V) - Two Major Depressive episodes
clinical findings Symptoms ... season at work) Symptoms ... MoodDisorders #Diagnosis #Pathophysiology ... #Signs #Symptoms ... #Psychiatry