The Calgary Guide to Understanding Disease @TheCalgaryGuide
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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
Pathogenesis of Anxiety Disorders

Anxiety Disorders: A maladaptive emotional state causing fear,
worry, and excessive stress, characterized by:
Pathogenesis of Anxiety ... Disorders Anxiety ... acid (GABA) #Anxiety ... #Disorders #Pathophysiology ... #diagnosis #psychiatry
Obsessive-Compulsive Disorder (OCD): Pathogenesis and clinical findings

Psychological Hypothesis
 • Cognitive behavioral model: Emotional disturbance arising from
maladaptive beliefs and anxiety ... Dysregulation of anxiety ... reduce obsessional anxiety ... PersonalityDisorder #Diagnosis #Psychiatry ... #Signs #Symptoms
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
Alcohol Use Disorder: Pathogenesis and Clinical Findings

 • Tolerance (reduced sensitivity to effects of EtOH)
 •
, seizure, and anxiety ... AlcoholUseDisorder #EtOH #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Psychiatry
Major Depressive Disorder (MDD): Pathogenesis and Clinical Findings

Symptoms (included in DSM 5 criteria) - Present during
partum onset) - Anxiety ... MoodDisorders #Diagnosis #Pathophysiology ... #Signs #Symptoms ... #Psychiatry
Bipolar Disorder: Pathogenesis and Clinical Findings
 • Disruption of emotional homeostasis
 • Oscillation between mood states
- Incr guilt, anxiety ... MoodDisorders #Diagnosis #Pathophysiology ... #Signs #Symptoms ... #Psychiatry
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
Serotonin #Inhibitors #Pathophysiology ... #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 ... #SideEffects #Psychiatry ... #Diagnosis #Signs
Graves’ Disease: Pathogenesis and Clinical Findings
B & T lymphocyte mediated autoimmunity attack TSH receptor -> Continuous
the etiology Signs ... GravesDisease #pathophysiology ... #endocin #endocrinology ... #symptoms #signs