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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Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
StressDisorder #PTSD #BehavioralDisorder ... #Pathophysiology ... #diagnosis #symptoms
Erectile Dysfunction: Pathogenesis

Erectile Dysfunction - Persistent or recurrent inability to achieve an erection sufficient to achieve
Erectile Dysfunction ... Pathogenesis Erectile Dysfunction ... Psychogenic Erectile Dysfunction ... #Pathophysiology ... #Urology #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 ... signs #psychiatry #criteria
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Upper Extremity Dysfunction ... deficiencies -> Sphincter dysfunction ... Injury #Syndromes #diagnosis ... #pathophysiology ... #orthopedics #neurology
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Executive planning dysfunction ... concentration • Motor dysfunction ... AlzheimersDisease #Dementia #pathophysiology ... #geriatrics #diagnosis
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Vertigo, Sexual Dysfunction ... SerotoninNorepinephrine #Inhibitors #Pathophysiology ... SideEffects #Psychiatry #Diagnosis
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
bladder/bowel dysfunction ... Syndrome #MSK #pathophysiology ... #diagnosis #symptoms
Major Depressive Disorder (MDD): Pathogenesis and Clinical Findings

Symptoms (included in DSM 5 criteria) - Present during
included in DSM 5 criteria ... MoodDisorders #Diagnosis ... #Pathophysiology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Compensatory muscular dysfunction ... Trendelenburg #Gait #pathophysiology ... symptoms #signs #diagnosis
Priapism: Pathogenesis

 - Post-cavernosal venous occlusion -> Post-cavernosal venous drainage is mechanically obstructed e.g. sickle cell
#Priapism #Pathophysiology ... #Urology #Diagnosis