The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... joint capsule => Anterior ... • Humeral head anterior ... signs #symptoms #msk ... #orthopedics #pathophysiology
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
acetabular wall • Anterior ... femoral head onto anterior ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... signs #symptoms #orthopedics
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
fractures in elderly Causes ... Femur #Fractures #msk ... #orthopedics #diagnosis ... #differential #causes ... #pathophysiology
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
Complications • Anterior ... Anterior Sl diastasis ... Grades #Grading #Orthopedics ... #MSK #diagnosis ... complications #pathophysiology
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 #msk ... #orthopedics #neurology
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
a stroke that caused ... side) Second Stage ... movement) Third Stage ... FrozenShoulder #pathophysiology ... #staging #msk
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
feedback on the anterior ... and release LH causes ... hours after LH surges ... #OvarianCycle #pathophysiology
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
Otitis Media -> Stage ... are connected) Stage ... postauricular crease • Inferior ... hearing loss, nausea ... #Mastoiditis #pathophysiology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• Significant cause ... most frequent cause ... thus have shallow anterior ... the posterior to anterior ... ClosedAngle #Glaucoma #pathophysiology
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
days long) • Starts ... feed back on the anterior ... , progesterone causes ... #OvarianCycle #pathophysiology