Soft Tissue Knee Injury Differential Diagnoses

Differential Diagnoses

• Rheumatoid Arthritis

Workup

David B Levy, DO, FAAEM Senior Consultant in Emergency Medicine, Waikato District Health Board, New Zealand; Associate Professor of Emergency Medicine, Northeastern Ohio Universities College of Medicine

David B Levy, DO, FAAEM is a member of the following medical societies: American Academy of Emergency Medicine, Fellowship of the Australasian College for Emergency Medicine, American Medical Informatics Association, Society for Academic Emergency Medicine

Coauthor(s)

Howard I Dickey-White, MD Teaching Attending Physician, Department of Internal Medicine, St Elizabeth Hospital Medical Center

Howard I Dickey-White, MD is a member of the following medical societies: American Academy of Clinical Toxicology, American College of Emergency Physicians, American College of Physicians, American Institute of Ultrasound in Medicine, Sigma Xi, Society of Critical Care Medicine

Specialty Editor Board

Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Received salary from Medscape for employment. for: Medscape.

Chief Editor

Trevor John Mills, MD, MPH Chief of Emergency Medicine, Veterans Affairs Northern California Health Care System; Professor of Emergency Medicine, Department of Emergency Medicine, University of California, Davis, School of Medicine

Trevor John Mills, MD, MPH is a member of the following medical societies: American Academy of Emergency Medicine, American College of Emergency Physicians

Eric M Kardon, MD, FACEP Attending Emergency Physician, Georgia Emergency Medicine Specialists; Physician, Division of Emergency Medicine, Athens Regional Medical Center

Eric M Kardon, MD, FACEP is a member of the following medical societies: American College of Emergency Physicians, American Medical Informatics Association, Medical Association of Georgia

Acknowledgements

June E Sanson CNRP, MSN Nurse Practitioner, Take Care Health Systems

Tom Scaletta, MD President, Smart-ER (http://smart-er.net); Chair, Department of Emergency Medicine, Edward Hospital; Past-President, American Academy of Emergency Medicine

Tom Scaletta, MD is a member of the following medical societies: American Academy of Emergency Medicine

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Anatomy of the knee.

Knee ballottement.

Lachman test.

Anterior drawer sign.

Pivot test.

McMurray test.

Apley compression test.