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
StressDisorder #PTSD #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 ... AttentionDeficitHyperactiveDisorder #ADHD #BehavioralDisorder ... Pathophysiology #diagnosis
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis #OA #Xray #radiology ... #diagnosis #findings
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
#RA #HandXray #Diagnosis ... #Radiology #Clinical
Priapism: Pathogenesis

 - Post-cavernosal venous occlusion -> Post-cavernosal venous drainage is mechanically obstructed e.g. sickle cell
Pathophysiology #Urology ... #Diagnosis
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Injury #Syndromes #diagnosis ... #orthopedics #neurology
Mixed Urinary Incontinence: Pathogenesis and Clinical Findings

Urgency Urinary Incontinence (UUI) -> Urinary leakage preceded by a
Signs #Symptoms #Urology ... #Diagnosis
Varicocele: Pathogenesis and clinical findings
Primary:
 - Anatomically: the left spermatic vein drains into the left renal
Signs #Symptoms #Urology ... #Diagnosis
Panic Disorder: Pathogenesis and clinical findings
Social Factors
 • Parenting and infant attachment
 • Childhood illness/abuse
 •
PanicDisorder #Anxiety #BehavioralDisorder ... Pathophysiology #diagnosis
Erectile Dysfunction: Pathogenesis

Erectile Dysfunction - Persistent or recurrent inability to achieve an erection sufficient to achieve
Pathophysiology #Urology ... #Diagnosis