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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Erectile Dysfunction: Pathogenesis

Erectile Dysfunction - Persistent or recurrent inability to achieve an erection sufficient to achieve
trauma, iatrogenic, diabetes ... and rigidity Endocrinologic ... hyperlipidemia, diabetes ... (penile artery diameter ... #Pathophysiology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
Prolactin #PRL #FeedbackLoop ... #endocrinology ... #pathophysiology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
GrowthHormone #GH #FeedbackLoop ... #endocrinology ... #pathophysiology
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
Diabetic Foot: Pathogenesis and clinical findings
 • Polyol Pathway - Excess glucose enters Polyol pathway ->
Diabetic Foot: Pathogenesis ... increasing cytogenetic dysfunction ... neuropathy => Diabetic ... a person with diabetes ... #DiabeticFoot #pathophysiology
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Obesity -> Type 2 diabetes ... Syndrome #genetics #pathophysiology ... #peds #pediatrics
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
Hyperprolactinemia • Diabetes ... • Hypothalamic dysfunction ... #SideEffects #endocrinology ... mnemonic #GLFTAP #pathophysiology
Fecal Incontinence - Pathogenesis and Complications
Continence mechanisms are impaired
 • Local neuronal damage
 • External and
Diabetes) • Altered ... #Incontinence #geriatrics ... #pathophysiology
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
Diabetic Ketoacidosis ... DiabeticKetoacidosis #DKA #pathophysiology ... #endocrinology ... #diabetes
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
#21HydroxylaseDeficiency #21OHD #pathophysiology ... #genetics #endocrinology ... #peds #pediatrics