The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Erectile Dysfunction: Pathogenesis

Erectile Dysfunction - Persistent or recurrent inability to achieve an erection sufficient to achieve
Erectile Dysfunction ... Dysfunction - Persistent ... and rigidity Endocrinologic ... Erectile Dysfunction ... #Urology #Diagnosis
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Growth Hormone (GH ... lipolysis Signs/Symptoms ... : • GH deficiency ... abn lipid • GH ... #FeedbackLoop #endocrinology
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
GH excess prior ... GH excess after ... Overproduction #diagnosis ... #signs #symptoms ... #endocrinology
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
following order; GH ... Signs / Symptoms ... • Hypothalamic dysfunction ... #SideEffects #endocrinology
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
chromosome 21) Signs / Symptoms ... Executive planning dysfunction ... concentration • Motor dysfunction ... pathophysiology #geriatrics #diagnosis ... #signs #symptoms
Obsessive-Compulsive Disorder (OCD): Pathogenesis and clinical findings

Psychological Hypothesis
 • Cognitive behavioral model: Emotional disturbance arising from
disturbance arising from dysfunctional ... Structural model: Dysfunction ... PersonalityDisorder #Diagnosis ... Psychiatry #Signs #Symptoms
Graves’ Disease: Pathogenesis and Clinical Findings
B & T lymphocyte mediated autoimmunity attack TSH receptor -> Continuous
etiology Signs/Symptoms ... pathophysiology #endocin #endocrinology ... #symptoms #signs ... #diagnosis
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Vertigo, Sexual Dysfunction ... SideEffects #Psychiatry #Diagnosis ... #Signs #Symptoms
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
spine Signs / Symptoms ... bladder/bowel dysfunction ... pathophysiology #diagnosis ... #symptoms #signs
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Upper Extremity Dysfunction ... deficiencies -> Sphincter dysfunction ... Injury #Syndromes #diagnosis ... pathophysiology #signs #symptoms