The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
thyrotoxicosis due to excess ... production by the pituitary ... Signs/Symptoms: ... Hyperthyroidism #endocrinology ... #pathophysiology
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
hypothalamus and anterior ... pituitary to Decreased ... hypothalamus and anterior ... MenstrualCycle #pathophysiology ... HypothalamicPituitary #endocrinology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
lipolysis Signs/Symptoms ... lipid • GH excess ... #FeedbackLoop #endocrinology ... #pathophysiology ... #pituitary
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
Growth Hormone Excess ... share the same pathophysiology ... diagnosis #signs #symptoms ... #endocrinology ... #pathophysiology
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
Pituitary Mass Effects ... not always) the anterior ... Signs / Symptoms ... #SideEffects #endocrinology ... mnemonic #GLFTAP #pathophysiology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
joint => Force exceeds ... joint capsule => Anterior ... • Humeral head anterior ... Diagnosis #signs #symptoms ... #orthopedics #pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
feeding back on anterior ... pituitary which ... effect on the anterior ... #OvarianCycle #pathophysiology ... FollicularPhase #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
feedback on the anterior ... pituitary (switch ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained
 • The LH surge can be thought
hypothalamus and anterior ... pituitary -> ... #OvarianCycle #pathophysiology ... #LutealPhase #endocrinology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
clinical findings • Anterior ... Cord Syndrome -> Anterior ... Syndromes #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics #neurology