The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
MenstrualCycle #OvarianCycle ... #pathophysiology ... #menstruation #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
MenstrualCycle #OvarianCycle ... #pathophysiology ... #Ovulation #endocrinology
Graves’ Disease: Pathogenesis and Clinical Findings
B & T lymphocyte mediated autoimmunity attack TSH receptor -> Continuous
the etiology Signs ... GravesDisease #pathophysiology ... #endocin #endocrinology ... #symptoms #signs ... #diagnosis
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
test • + Tinel sign ... • + Froment's sign ... CubitalTunnel #Syndrome #Diagnosis ... #pathophysiology ... #signs #symptoms
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
Radiculopathy: Signs ... pain Lasegue's sign ... Radiculopathy #MSK #diagnosis ... #signs #symptoms ... #pathophysiology
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Occlusion #CRVO #pathophysiology ... ophthalmology #diagnosis ... #signs #symptoms
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
share the same pathophysiology ... Overproduction #diagnosis ... #signs #symptoms ... #endocrinology ... #pathophysiology
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Signs/Symptoms: ... Hyperthyroidism #endocrinology ... #pathophysiology
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
XR — scotty dog sign ... Spondylolisthesis #MSK #diagnosis ... #pathophysiology ... #signs #symptoms
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
activates lipolysis Signs ... #FeedbackLoop #endocrinology ... #pathophysiology