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Patellar dislocation

A patellar dislocation is a knee injury in which the patella (kneecap) slips out of its normal position. Often the knee is partly bent, painful and swollen. The patella is also often felt and seen out of place. Complications may include a patella fracture or arthritis.

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Causes
Bending the lower leg outwards when the knee is straight, direct blow to the patella when the knee is bent
Complications
Patella fracture, arthritis
Diagnostic method
Based on symptoms, X-rays
Duration
Recovery within 6 weeks
Frequency
6 per 100,000 per year
Medication
Pain medication

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Overview

Risk factors

Mechanism of injury

Diagnosis

Prevention

Treatment

Epidemiology

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Map overview Semantic statistics

Patellar dislocation

Nodes62
Edges61
Triples75
Avg. degree1.97
Density0.032258
Components1

How this topic connects Entity context

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Patellar dislocation

Top relations

related to Epidemiology · 15
Patellar dislocation → African-Americans, Brian Waterman, Caucasians, Females, Hispanics, If, Lateral Patellar, MPFL, Race, Rate, Rates, Some, Surgery, The, United States
has prevention · 8
Patellar dislocation → Adding, Exercises, External, However, If, The, VMO, Women
related to Anatomical factors · 7
Patellar dislocation → An, Decreased VMO, In, Normal, People, The, VMO
related to Athletic population · 7
Patellar dislocation → Direct, Displacement, Fracture, It, Patellar, Surgical, Traumatic
related to Anatomy of the knee · 5
Patellar dislocation → Any, Finally, It, Several, The
related to Signs and symptoms · 3
Patellar dislocation → In, People, The
related to Forces · 2
Patellar dislocation → Patellar, When
Causes · 1
Patellar dislocation → Bending the lower leg outwards when the knee is straight, direct blow to the patella when the knee is bent
Complications · 1
Patellar dislocation → Patella fracture, arthritis
Diagnostic method · 1
Patellar dislocation → Based on symptoms, X-rays

Important terminology Word statistics

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Important terminology

patella patellar knee dislocation lateral patellofemoral medial quadriceps occurs leg muscles may dislocations people surgery symptoms ligament generally rehabilitation injury

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Patellar dislocationCausesBending the lower leg outwards when the knee is straight, direct blow to the patella when the knee is bent1.00infobox
Patellar dislocationComplicationsPatella fracture, arthritis1.00infobox
Patellar dislocationDiagnostic methodBased on symptoms, X-rays1.00infobox
Patellar dislocationDurationRecovery within 6 weeks1.00infobox
Patellar dislocationFrequency6 per 100,000 per year1.00infobox
Patellar dislocationMedicationPain medication1.00infobox
Patellar dislocationOther namesKneecap dislocation, dislocated kneecap1.00infobox
Patellar dislocationPrognosis~30% risk of recurrence1.00infobox
Patellar dislocationRisk factorsHigh riding patella, family history, loose ligaments1.00infobox
Patellar dislocationSpecialtyEmergency medicine, orthopedics1.00infobox
Patellar dislocationSymptomsKnee is partly bent, painful and swollen1.00infobox
Patellar dislocationTreatmentReduction, splinting, physical therapy, surgery1.00infobox
Patellar dislocationUsual onset10 to 17 years old1.00infobox
Patellar dislocationis aknee injury in which the patella0.90text

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