Exam 4: Chapters 37, 38, 39 Flashcards
What is calcitonin?
suppresses osteoclastic activity with high Ca level and is secreted by the thyroid hormone
What is vitamin D dependent on?
parathyroid hormone, kidney, sunlight
Tendons
connect muscle to bone
Ligaments
connect bone to bone to form joints
What is a sprain?
Possible tear of ligaments caused by overstretching due to stretching or pulling
Sx of a sprain
bruise, edema, pain, pain with movement
What is a strain?
Overstretching of a tendon and muscle
Sx of a strain
pain, limited ROM, muscle spasms
What is an open or compound fracture?
bone protrudes outside of the body
Risks of open fractures
infection and soft tissue injury
What is a closed or complete fracture?
bone fragments separate completely and are not displaced and remain beneath the overlying tissue
What is a compression fracture?
crushing of cancellous bone
What is an incomplete fracture?
bone fragments remained partially joined
What is a stress fracture?
bone damage from repetitive activity
What is a transverse fracture?
bone that is separated but close
What is a comminuted fracture?
more than one fracture line with shattered/crushed bone
What is a greenstick fracture?
incomplete fracture- bone is intact and bent (most common in children)
What is an avulsion fracture?
separation of a small part of bone at site of attachment of ligament or tendon
What are the complications of musculoskeletal trauma?
- neurovascular injury- damage of blood vessels, edema compressing nerves
- compartment syndrome
- infection- osteomyelitis
- DVT and PE
- fat embolism
What is compartment syndrome?
When tissue pressure exceeds perfusion pressure in a closed anatomical space due to bleeding or swelling which reduces arterial blood flow
Sx of compartment syndrome
pain that is out of proportion, extensive edema, pallor area of edema, paresthesias in the affect area, weak or absent distal pulses, pressure greater than 30 mmHg
What are late complications of musculoskeletal injuries?
delayed healing, malunion, non-union, post-traumatic, arthritis, avascular necrosis
Causes of a hip fracture
osteoporosis, fall, trauma
Sx of a hip fracture
painful ROM and observe for neurovascular compromise
What are the complications of a hip fracture
non-union and AVN
Causes of vertebral compression fracture
osteoporosis and fragility fracture
Pathophysiology of vertebral compression fracture
trabecular vertebrae becomes thin, collapsed, and flattened
Sx of a vertebral compression fracture
shortened spine, kyphosis, pain, and compress of nerve tracts
Causes of femur fractures
gunshot wound, motor vehicle accident
joggers in stress fractures
Sx of a femur fracture
large amounts of bleeding and cannot bear weight
Causes of tibia/fibula fractures
low energy impact injury/fall, athletic injury, motor vehicle accident, gunshot wound