The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
Giant Cell (Temporal ... patients < 50 yrs old ... Pathophysiology #Diagnosis ... #Signs #Symptoms ... #Vasculitis
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
Giant Cell (Temporal) Arteritis: Clinical findings and Complications
Signs/Symptoms: 
 - Headache (usually constant, superimposed by waves
Giant Cell (Temporal ... Complications Signs/Symptoms ... palpation - Temporal ... #GiantCell #Temporal ... #diagnosis #Vasculitis
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
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 ... MoodDisorders #Diagnosis ... Pathophysiology #Signs #Symptoms
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
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
findings - For diagnosis ... to 25 for new diagnosis ... at > 17 years old ... 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
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
portion of the temporal ... sinus thrombosis, Temporal ... pathophysiology #signs #symptoms ... #diagnosis #otology
Oppositional Defiant Disorder (ODD): Pathogenesis and clinical findings
 - Must have >4 symptoms for >6 months,
Defiant Disorder (ODD ... 3 settings - ODD ... develop mood and anxiety ... #BehavioralDisorder ... Pathophysiology #diagnosis