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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Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Growth Hormone (GH ... activates lipolysis Signs ... /Symptoms: • GH ... abn lipid • GH ... #FeedbackLoop #endocrinology
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
time of onset of GH ... GH excess prior ... GH excess after ... Overproduction #diagnosis #signs ... #symptoms #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
not implant #MenstrualCycle ... #menstruation #endocrinology
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
#MenstrualCycle ... HypothalamicPituitary #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
for clarity) #MenstrualCycle ... pathophysiology #Ovulation #endocrinology
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
following order; GH ... Signs / Symptoms ... #SideEffects #endocrinology
Graves’ Disease: Pathogenesis and Clinical Findings
B & T lymphocyte mediated autoimmunity attack TSH receptor -> Continuous
the etiology Signs ... pathophysiology #endocin #endocrinology ... #symptoms #signs
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Signs/Symptoms: ... Hyperthyroidism #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained
 • The LH surge can be thought
Ovarian Cycle #MenstrualCycle ... #LutealPhase #endocrinology
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
#UterineCycle #MenstrualCycle ... pathophysiology #comparison #endocrinology