Evaluation of Lower Back Pain Flashcards
90% of all low back pain will resolve in ____ weeks without intervention
6
99% of all low back pain will resolve in ____ weeks
12
What are the goals of lower back pain treatment?
Hasten recovery
Control pain
Facilitate rehabilitation
What is the first question in the initial approach to back pain?
What is the most serious thing this could be?
What are some indicators of ominous history?
Bilateral radicular pain Saddle area anesthesia Urinary incontinence Urinary retention Increased urinary frequency
What is the treatment for cauda equina syndrome?
Surgical decompression within 24-48 hours
What to rule out if pt presents with weak and rapid pulse?
Retroperitoneal hemorrhage
What to rule out if pt presents with low blood pressure?
Retroperitoneal hemorrhage
Make a mark on the skin midway between the PSIS
Make a mark 5 cm down from this point
Make a mark 10 cm up from initial point
With trunk flexed, should stretch to a minimum of 20 cm
Shober test
< 20 cm indicates significant loss of lumbar motion
Gluteus medius innervation
L5 root
What does a positive Trendelenberg test indicate?
Weakness of gluteus medius (compromise of L5 nerve root)
Straight Leg Raising Test produces no symptoms to 90 degrees of hip flexion. What does this indicate?
Normal straight leg raising test
Pt has low back pain and cannot stand on toes due to muscle weakness. Which nerve root is compressed?
S1
Pelvic rock test reproduces pt’s pain. What is the most likely diagnosis?
Sacroiliitis
Pt with low back pain presents with fever and percussive pain at L1, L2, L3, and L4. What is the most like diagnosis?
Osteomyelitis