Monday 9/5/16: Surgery Exam 3 Flashcards
What causes a medial collateral ligament tear?
Severe valgus stress (blow to the lateral knee) or twisting injury.
What are some examination findings of a medial collateral ligament tear?
Ecchymosis and joint line tenderness at the medial knee.
What is the valgus stress test?
Appreciable laxity when the leg is forced into abduction is helpful for diagnosis of a medial collateral ligament tear.
What is the most sensitive test for MCL tear?
MRI but is reserved for patients considered for surgical intervention.
How are patients with uncomplicated MCL tears treated?
- Nonoperatively
- Rest
- Ice
- Compression
- Elevation
How does injury to the anterior cruciate ligament present?
Tibia will show anterior rather than valgus laxity.
How do injuries to the lateral collateral ligament present?
High velocity traumas. Knee will have varus laxity.
How does medial meniscus injury present?
Shows a small joint effusion and crepitus, locking, or catching with range of motion.
What is patellar tendinitis or jumpers knee?
Chronic overuse injury characterized by anterior knee pain and tenderness. Stress testing of the ligaments are normal.
How do tibial plateau fractures present?
Contact sports, falls or MCV. But with fractures you are unable to bear weight on the knee.
What are clinical features of peritonsillar abscesses?
- Fever, earache
- Sore throat, difficulty swallowing
- Trismus
- Muffled “hot potato” voice
- Uvula deviation away from the enlarged tonsil.
- Pooling of saliva
What is a peritonsillar abscess
Acute bacterial infection of the region between the tonsil and the pharyngeal muscles.
What are the series of events for peritonsillar abscess ?
- Persistent tonsillitis/pharyngitis
- progresses to cellulitis/phlegmon
- Pus collecting into and abscess within a week of symptom onset
Who normally gets peritonsillar abscess ?
Older adolescents and young adults, drug or alcohol use increases risks.
What is the treatment for peritonsillar abscess ?
Needle aspiration or incision and drainage plus antibiotics to cover group A hemolytic strep and respiratory anaerobes.