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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Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
hypothalamus and anterior ... hypothalamus and anterior ... #MenstrualCycle ... HypothalamicPituitary #endocrinology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... joint capsule => Anterior ... • Humeral head anterior ... Dislocation #Diagnosis #signs ... #symptoms #msk
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
feedback on the anterior ... for clarity) #MenstrualCycle ... pathophysiology #Ovulation #endocrinology
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
acetabular wall • Anterior ... femoral head onto anterior ... onto lateral hip Signs ... FemoralHead #Fractures #msk ... pathophysiology #signs
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
clinical findings • Anterior ... pathophysiology #diagnosis #signs ... #symptoms #msk
Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained
 • The LH surge can be thought
hypothalamus and anterior ... Ovarian Cycle #MenstrualCycle ... #LutealPhase #endocrinology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
clinical findings • Anterior ... Cord Syndrome -> Anterior ... pathophysiology #signs ... #symptoms #msk
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
feeding back on anterior ... effect on the anterior ... #MenstrualCycle ... FollicularPhase #endocrinology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
ligament (near anterior ... MeralgiaParesthetica #MSK ... differential #diagnosis #signs
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
feed back on the anterior ... #UterineCycle #MenstrualCycle ... pathophysiology #comparison #endocrinology