3.8 of 5 Ratings
A 23-year-old male presents to his primary care physician after an injury during a rugby game. The patient states that he was tackled and ever since then has had pain in his knee. The patient has tried NSAIDs and ice to no avail. The patient has no past medical history and is currently taking a multivitamin, fish oil, and a whey protein supplement. On physical exam you note a knee that is heavily bruised. It is painful for the patient to bear weight on the knee, and passive motion of the knee elicits some pain. There is laxity at the knee to varus stress. The patient is wondering when he can return to athletics. Which of the following is the most likely diagnosis?
Medial collateral ligament tear
Lateral collateral ligament tear
Anterior cruciate ligament tear
Posterior cruciate ligament tear
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A 45-year-old male comes into your office one week after he was tackled playing football with his friends. The patient states that the medial aspect of his knee collided with another player's knee. Since then, he has been taking ibuprofen for knee pain. On exam, the patient's right knee appears larger than his left knee with a small effusion. The patient has intact sensation and strength in both lower extremities. The patient's right knee has no laxity on valgus stress test, but is very lax on varus stress test. Lachman's test and posterior drawer test both have firm endpoints without laxity. McMurray's test is positive and the patient states he feels catching and locking during the test. Which of the following structures has this patient injured in addition to the meniscus?
Anterior cruciate ligament
Posterior cruciate ligament
Medial collateral ligament
Lateral collateral ligament
Medial patellofemoral ligament
A 20-year-old male comes into your office two days after falling during a pick up basketball game. The patient states that the lateral aspect of his knee collided with another player's knee. On exam, the patient's right knee appears the same size as his left knee without any swelling or effusion. The patient has intact sensation and strength in both lower extremities. The patient's right knee has no laxity upon varus stress test, but is more lax upon valgus stress test when compared to his left knee. Lachman's test and posterior drawer test both have firm endpoints without laxity. Which of the following structures has this patient injured?
A 17-year-old male presents to your office with right knee pain. He is the quarterback of his high school football team and developed the knee pain after being tackled in last night's game. He states he was running with the ball and was hit on the lateral aspect of his right knee while his right foot was planted. Now, he is tender to palpation over the medial knee and unable to bear full weight on the right lower extremity. A joint effusion is present and arthrocentesis yields 50 cc's of clear fluid. Which of the following exam maneuvers is most likely to demonstrate ligamentous laxity?
Anterior drawer test
Pivot shift test
Valgus stress test
Varus stress test