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 ... StressDisorder #PTSD #BehavioralDisorder ... Pathophysiology #diagnosis ... #symptoms #signs
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
Classification of ... bilateral rami fractures ... Grade 2 - Rami fracture ... #Classification ... Orthopedics #MSK #diagnosis
Open Fractures: Mechanisms, Clinical Features and Complications
Gustilo-Anderson Classification:
 • Type I
   - Wound <
Open Fractures: ... Gustilo-Anderson Classification ... GustiloAnderson #Classification ... #Open #Fractures ... #Diagnosis #Complications
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Femoral Head Fracture ... lateral hip Signs/Symptoms ... • Non-union of fracture ... #msk #diagnosis ... pathophysiology #signs #symptoms
Major Depressive Disorder (MDD): Pathogenesis and Clinical Findings

Symptoms (included in DSM 5 criteria) - Present during
Clinical Findings Symptoms ... suicide Other Symptoms ... partum onset) - Anxiety ... with psychotic features ... MoodDisorders #Diagnosis
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
carrying anti-anxiety ... Anticipatory Anxiety ... PanicDisorder #Anxiety ... #BehavioralDisorder ... Pathophysiology #diagnosis
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
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
findings - For diagnosis ... have either 26 symptoms ... to 25 for new diagnosis ... AttentionDeficitHyperactiveDisorder #ADHD #BehavioralDisorder ... Pathophysiology #diagnosis
Social Anxiety Disorder (SAD) - Pathophysiology 
Excessive fear of one or more social situations
 • Safety
Social Anxiety Disorder ... of Anxiety: Mind ... SocialAnxiety #BehavioralDisorder ... Pathophysiology #diagnosis ... #symptoms #signs
Alcohol Use Disorder: Pathogenesis and Clinical Findings

 • Tolerance (reduced sensitivity to effects of EtOH)
 •
• Withdrawal symptoms ... , seizure, and anxiety ... Pathophysiology #Diagnosis ... #Signs #Symptoms