Ortho 2 Flashcards
What are the two main types of pelvis fractures?
Superior/inferior rami
High energy impact
Treatment for pelvic fractures?
Conservative:
- OT/PT
- May need hospitalization for pain control
- Weight-bearing as tolerated
What fracture accompanying a pelvic fracture indicates instability?
L5 transverse process fracture
What kind of high impact pelvic fracture involves AP compression?
Open-book fracture
How much blood do pts. with open book fractures need?
6-15 units
What type of high impact pelvic fracture has biggest risk of vascular injury?
Vertical shear fracture
-Lateral compression
Most pelvic bleeding is from what source?
Venous
Management for a high impact pelvic fracture?
-2 large-bore IVs
-Neuro exam
-Catheters?
AP pelvis X-ray: if positive do inlet/outlet X-ray plus CT scan
-Transfer to major trauma center!
Where do most clavicle fractures occur?
Midshaft
How are clavicle fractures treated?
Conservatively:
- Sling
- Figure of 8
- Open/vascular damage: surgery
How are shoulder separations classified?
Grades 1-3
How are shoulder separations treated?
Grade 1-2: sling, NSAIDS, PT
Grade 3: surgical option (athletes, high demand jobs)
How are SC joint separations treated?
Anterior: leave alone
Posterior: surgery; vascular area
What is the typical method of injury for scapula fractures?
Significant direct trauma
What fracture is associated with an 80% chance of there being another fracture/injury?
Scapula
Treat for scapula fracture?
X-ray: chest and shoulder 3V
Conservative unless glenoid
Glenoid: surgery
Who typically gets proximal humerus fractures?
Adults/Elderly
Little league pitchers (growth plate)
How are proximal humerus fractures treated?
- Usually closed
- Up to 50% displacement acceptable
- If associated RC tear: treat delayed
What are the two most common dislocations seen in the ED?
- Fingers
2. Shoulder
What can cause posterior shoulder dislocations?
Electrocution
Sz
How to diagnose a posterior shoulder dislocation?
No external rotation
What is a Bankart’s lesion?
Chunk missing from glenoid
What tissues are often damaged in shoulder dislocations?
- Axillary nerve
- Musculocutaneous nerve
- Brachial plexus
- Axillary artery
Usual method of injury for shoulder dislocations?
FOOSH
Treatment for shoulder dislocations?
- Reduction and immobilization
- Refer to ortho:
- X-ray
- If Bankart’s lesion: surgery (80% recurrence otherwise)
- No lesion: agressive PT
What is the Hippocratic reduction technique?
Foot in shoulder (old school)
What muscles make up the rotator cuff muscles?
-SITS muscles
How many views of an injured shoulder do we always need?
3 views
What treatments are needed for full-thickness rotator cuff tears?
Arthroscopy or mini-open rotator-cuff repair
Treatment for general rotator cuff tears?
NSAIDS
Rest
Ice
Cortisone shot?
How do you check if a patient’s radial nerve is working?
They can give a thumb’s up
What is the most common location for a humerus fracture?
Midshaft
How are closed humerus fractures treated?
- Coaptation splint
- Humeral fracture brace
What artery is often damaged in a supracondylar humerus fracture?
Brachial artery
- Very spastic
- Can lead to Volkmann’s ischemic contractures