MSK 🦵🏼 Flashcards
Identify the hip injury. Shortened and internally rotated leg
Posterior hip dislocation
Identify the hip injury. Lengthened and externally rotated leg
Anterior hip dislocation
Identify the hip injury.
Shortened and externally rotated leg
Hip fracture
Treatment for clavicle fracture
A sling if uncomplicated. Surgery required if open fracture, displaced with skin tenting, or neurovascular compromise
Nerve injury at risk in anterior shoulder dislocation
Axillary
Presenting differences between anterior and posterior shoulder dislocation
Anterior patient has abducted and externally rotated arm. Posterior patient has adopted an internally rotated arm
Treatment for shoulder dislocation
Sling and swath. Reduction would’ve been done first
Initial and confirmatory test to diagnose rotator cuff tears
Clinical diagnosis. But confirmed with MRI
Treatment for rotator cuff tears. Went to do surgery
Rest and NSAID. Surgery only if lost active range of motion with preserved passive range of motion
 Nerve affected if humeral fracture is proximal, mid shift, distal
Proximal would be axillary, mid shift would be radial, distal would be median
Humeral fracture treatment
coaptation splint un complicated. Surgery if open or displaced
Monteggia fracture
Proximal owner fracture and radial dislocation (may be called diaphyseal fracture of proximal owner with subluxed radial head)
Night stick fracture
Owner shaft fracture from direct trauma (often in self defence)
Galeazzi fracture 
Diaphyseal fracture of the radius with dislocation of distal ulnar.
Treatment of nightstick fracture
Conservative therapy if an complicated. Surgery if open or displaced
Monteggia fracture treatment
Open reduction and internal fixation of fracture And closed reduction of dislocated Radial head
Galeazzi fracture treatment
Open reduction internal fixation of radius and casting of fractured forum in supination to reduce the distal radio ulnar joint
Management of Colles fracture
Close reduction followed by short arm cast. Open reduction if fracture is open or displaced or intra-articular
Treatment of boxers fracture
Closed reduction and splint. Surgery if excessively angulated or unstable or if more than one metacarpal is fractured
Treatment of de quervain Tenosynovitis. And what to do if refractory
NSAIDs, ice, thumb splint. Steroid injection if refractory
Is a scaphoid fracture seen on an x-ray immediately. What’s the impact this has on the diagnosis
No, usually takes two weeks to show. So can assume a diagnosis if snuffboxes tender
Treatment for scaphoid fracture
Some cast (thumb spica splint), cereal x-ray monitoring, if displacement or non-union president must do ORIF (only really if more than 1 mm displacement,)
What nerves are impacted in posterior and anterior hip dislocation
Anterior is the obturator nerve. Posterior is the sciatic
Treatment for hip dislocation
Emergent closed reduction (unless there’s a pathology requiring open reduction). Do CT scan after reduction
Treatment for femoral fracture
0RIF. Irrigate and debride open fractures
If you suspect hip fracture, however x-ray is negative, what do you do
CT or MRI, because x-rays can be negative
Treatment for hip fracture. Consider DVT risk. And consider if heavily displaced
0RIF. Arthroplasty needed if there’s a high chance of displacement. Anticoagulation for DVT risk
Diagnostic test of choice for all knee ligament injuries
MRI
ACL tear when to Tx
Young symptomatic patients
Meniscus tear Tx
Younger patients, (repair or remove). Older patients (conservative remove)
Tibial stress fracture presentation
Point tenderness worsening with activity. Seen in misalignment, foot arch issues, female athlete triad
Non operative and operative Tx for tibial stress fracture
Active modification and casting. Or intramedullary nailing or ORIF
Thompson test is positive in what
Achilles’ tendon rupture
Who gets surgery for Achilles’ tendon rupture
Elite athletes. Everyone else should have conservative
What is Crescent sign in baker cyst rupture
And Ekhymosis at the medial malleolus
How to manage a patient with bakers cyst
NSAIDs and activity modification, surgery if symptomatic. Ultrasound to rule out DVT
What is used to determine if an x-ray is necessary for an ankle fracture suspicion
Ottawa ankle rules
Treatment for ankle fracture
ORIF if open displaced or unstable
Treatment for calcaneal stress fracture
Conservat
Treatment of metatarsal stress fracture
Usually Conservative. Fifth metatarsal involvement means we need treatment due to non-union risk (0RIF)
What is the Ottawa ankle rule
To know if somebody should get an x-ray for ankle pain. Do x-ray if patient cannot walk four steps four pain with palpation at the malleolus zone or specifically malleolus
Salter-Harris paediatric fracture classification type one
Fracture line is within growth plate (physis) straight across. But no compression
Salter-Harris paediatric fracture classification type 2
Fracture extends through both metaphysis and physis (most common)
Salter-Harris paediatric fracture classification type 3
Fracture extends through both physis and epithesis
Salter-Harris paediatric fracture classification type 4
Fracture extends through all three (metaphysis, physis, epithesis)
Salter-Harris paediatric fracture classification type 5
Physis is compressed or crushed (like one with compression). Worst Px
Pneumonic for Salter-Harris classification
Type one straight across, type two above growth plate, type three lower, type four through, type five erased growth plate
Long thoracic nerve findings
Cannot abduct the above 90°. Potential history of chest tube placement or stab wound to axilla. Winging seen on exam
Radial nerve palsy findings
Wrist drop and sensory deficit of proximal. Finger drop without sensory deficit if distal. Potential history of mid shaft humeral fracture, compression of humerus (Saturday night palsy), Radiohead subluxation
Median nerve palsy findings
Flat thinner eminence, weak wrist flexion, cannot oppose the thumb, weak finger flexion, potential history of supracondylar fracture or carpal tunnel syndrome. Recall median claw and Benediction sign
Ulnar nerve palsy findings
Ulnar claw (Recall distal proximal findings). Cannot abduct fingers. Potential history of guyon canal syndrome, Hi mate book fracture, medial epicondyle fracture
Musculocutaneous nerve palsy findings
Absent biceps reflex, weak elbow and shoulder flexion. Cannot supinate forearm. Potential history of shoulder dislocation or trauma to anterior bicep
Axillary nerve palsy findings
Cannot abduct arm above 15°. Deltoid is flat. Decrease sensation of a deltoid. Potential history of anterior shoulder dislocation, fracture of surgical neck of humorous
Common perineal nerve palsy findings
Foot drop, cannot dorsiflex or avert foot. Recall sensory deficit. Potential history of needles location prolonged mobilisation or trauma to fibula
Superior gluteal nerve palsy findings
Dropping of contra lateral pelvis due to horizontal walking (Trendelenburg). I.e. cannot hip abduct
Tibial nerve palsy findings
Cannot foot invert or plantarflex. Can be tarsal tunnel syndrome if distal. Since we lost soul of the foot. Look out for patient with trauma to the back of the knee or baker cyst
Obturator nerve palsy
Wide base gate, are you cannot see a doctor. Sensory loss to distal medial side. Look out for patient with pelvic lymph-node dissection or tumour
Femoral nerve palsy signs
Abnormal knee reflex, are you cannot flex and extend. Sensory loss to anterior medial side and medial side of lower leg (saphenous branch). Look out for patient with prolonged pressure on nerve or direct trauma
Lateral femoral cutaneous nerve palsy
Abnormal thigh sensation (lateral). Get meralgia Parasthetica. Causes include obesity or tight fitting clothes, or even surgeries and IVC filter
What is complex regional pain syndrome
Loss of function and autonomic dysfunction occurring after trauma (not a true nerve injury). Three phases development of pain (out of proportion) from trauma, soft tissue and oedema, atrophy and limitation of movement
Treatment of complex regional pain syndrome
Trial of NSAIDs for initial phase. Oral corticosteroids, low dose TCA, gabapentin, all for adjuvant mads. Refer to chronic pain specialist if complicated
Where does osteosarcoma occur in the bone
Metaphyseal region
Enchondroma usually found where
Hands or feet
Enchondroma, treatment
Serial x-rays
X-ray findings of giant cell tumours
Soap bubble Appearance
Medication for Giants of tumour of the bone
Denosumab
Location for osteoblastoma
In the back (blasted in the back)
Osteochondroma management
Monitor with cereal x-rays
Management for osteoid osteoma
Conservative, but can respect if patient cannot tolerate NSAIDs for pain
Management for osteosarcoma or ewing sarcoma or chondrosarcoma
Reception and chemotherapy. Chondro and ewing can use radiation to
Which bone tumour has a moth-eaten appearance on x-ray
Chondrosarcoma
Best initial test for osteosarcoma
X-ray (Sunburst and Codman triangle findings)
Onion skinning finding seen on x-ray for tumour
EWing sarcoma
Most accurate test for osteosarcoma
Bone biopsy
Intense pain with brief joint movement is pathognomic of which joint disease
Septic arthritis
In which joint disease is the synovial fluid viscosity low
Inflammatory arthritis is
Treatment for staphylococcus septic arthritis
Vancomycin
Treatment for neisseria Septic arthritis
Third gen Ceohalosporin
Treatment for salmonella and hemophilus septic arthritis
Third gen cephalosporin
General treatment of septic arthritis
Broad spec (ceph, vanco) until culture result comes back. Joint drain and debride
How does an osteoid osteoma present and what is the treatment
Adolescent, pain in upper thigh, x-ray showing small Lucent nidus. Pain relief with NSAID is needed surgery may be needed
I what pathogen do you think is responsible for these osteomyelitis patients:
No risk factor
IVDU
Sickle-cell disease
Hip replacement
Foot puncture
Diabetes
Staph aureus
Aureus or pseudomonas
Salmonella
Epidermidis
Pseudomonas
Polymicrobial

Osteomyelitis in a diabetic, antibiotics should be targeting what
Polymicrobial and gram-positive bacteria
Imaging test of choice for osteomyelitis
MRI
Treatment for osteomyelitis
Surgical department of necrosis, IV antibiotics for a month.
Consider antibiotics used for osteomyelitis:
If gram-negative, if MRSA, if methicillin sensitive,
If gram-negative do floxacin or Cephtriaxone. For methicillin sensitive stuff give floxacin or ampicillin or oxacillin, for MRSA give Vanco
Most accurate test to diagnose osteomyelitis
Bone Aspiration with culture and stain. But not always needed
What kind of cancer can come from osteomyelitis
Squeamish cell carcinoma can occur. This would be a marjolin ulcer 
Role of opioids in osteoarthritis
Only in severe refractory pain cases, and the patient is not able to take a surgical approach
Main imaging/diagnosis for osteoarthritis
X-ray
Best initial treatment for OA
Physical therapy, weight reduction and NSAIDs. CS injection for temporary relief
The most definitive treatment for osteoarthritis
Surgery (i.e. joint replacement)
Diagnostic criteria for rheumatoid arthritis
Six or more of the following points:
Rheumatoid factor or anti-CCP
High ESR or CRP
Duration more than six weeks
Exclusion of other differentials
Three or more joints involved (up to 5 points)
First line and second line medications for rheumatoid arthritis
DMARDS like methotrexate. Second lines are TNF inhibitor’s and rituximab all leflunomide
How to bridge rheumatoid arthritis treatment in flares
NSAIDs or glucocorticoids
Keratoderma blennorrhagica and circulate balanitis are both scene in which arthropathy
Reactive arthritis
Best initial test for ankylosing spondylitis
X-ray of sacroiliac joint and lumber
Best initial therapy for ankylosing spondylitis
NSAID for pain
The two best initial lab tests for dermatomyositis or Polymyositis
Creatine kinase and anti-Joe antibodies
Most accurate test for dermato and polymyositis
Muscle biopsy
Treatment for dermatomyositis and polymyositis
High-dose corticosteroids with taper after 4 to 6 weeks. Azathioprine or MTX for resistant cases
Treatment for TMJ disorders. Consider what pharmacology also could be given
Patient education and South Ken measures to avoid triggers. Incense and steroid injections can be given. Dental splints can be given for bruxism
What is myofascial pain syndrome
Similar to fibromyalgia, but has indurated regions which when palpated cause pain in another location. Trigger points are palpated, pain is in the target zone
Some ideas for treatment for myofascial pain syndrome
Sleep hygiene, low impact exercise, therapy, antidepressant, gabapentin, muscle relaxant
Which antibody in scleroderma is a risk factor for a Renal crisis
Anti RNA polymerase 3
Summarise the treatment for systemic sclerosis
Steroids for acute flares, methotrexate for limited type. CCB for Raynolds. ACEi for a Renal crisis
For SLE diagnostic criteria we have the pneumonic DOPAMINE RASH. What does that stand for and how many of these do we need
We need four or more. Discoid rash, oral ulcers, photo sensitivity, arthritis, Mallow rush, immune criteria, neuro symptoms, elevated ESR, renal disease, ANA, serositis, haematologic abnormalities
Discuss the treatment for SLE
NSAIDs for mild joint symptoms. Steroids for acute exacerbations. Hydroxychloroquine is good for progressive and refractory cases (also good for isolated skin and joint problems). Cyclo phosphide mid or mycophenolate is for severe cases especially lupus nephritis
What is Jaccoud arthropathy 
A pattern of arthritis in SLE. Similar to rheumatoid arthritis but is nondeforming
Serum sickness like reaction
Just a self-limited fever, at carrier, arthralgia, lymph nodes, proteinuria weeks after beta lactams or sulphurs
Best initial test and most accurate test for GCA
ESR. Then biopsy of the artery (don’t wait for results before giving steroids)
Which exact artery is affected in AION in GCA
Posterior ciliary artery
Discuss diagnostic approach to Takayasu
Clinical presentation and imaging. Imaging is usually MRA Or CTA
Treatment for Takayasu
High-dose steroids
Discuss treatment regime for Behcet syndrome
Topical steroids for ulcers, ophthalmic steroids for ocular involvement, colchicine for prevention
Myofascial pain syndrome versus fibromyalgia
Fibromyalgia does not have trigger points and target zones, and fibromyalgia has multiple painful areas
Diagnostic criteria for fibromyalgia
Multiple painful areas in autobody quadrants and axle skeleton for more than three
Treatment regime for fibromyalgia
Start nonpharmacologically. Good sleep, low impact exercise, psychotherapy, education. Then pharma including TCA, gabapentin, pre-Gabalin
Treatment for polymyalgia rheumatica
Low-dose steroid
When do you do imaging for lower back pain
If there are red flags present
What are the red flags for lower back pain that warrants further imaging
Constitutional symptoms (like fever), sensory or motor deficit, suspicion for infection, risk factors for fracture (glucocorticoids, old age), history of drug abuse, malignancy
If lower back pain is mechanical should we do Bedrest
No it is contra indicated
Imaging of choice for herniated disc
MRI. 100% necessary if you suspect cauda equina or rapidly progressive symptoms. But could also do x-ray if you suspect trauma, infections or compression fracture
Best initial treatment for herniated disc
NSAIDs, physical therapy, local heat. Not bedrest
If a patient doesn’t respond to the Conservative therapy for herniated disc pain, what can be given next
Epidural steroid injection or nerve block
What is the definitive treatment for herniated disc
Surgery. Indicated if focal neuro, cauda equina, six weeks of pain or more
Diagnose this:
Back pain radiating to the buttocks and legs bilaterally. Some leg weakness numbness. Worse when standing and walking, relieved when flexing the hip
Spinal stenosis
Main imaging for spinal stenosis
MRI
Mild to moderate spinal stenosis treatment
NSAIDs, weight loss and abdominal muscle strengthening
Advanced spinal stenosis treatment
Epidural corticosteroid injection
Treatment for refractory spinal stenosis
Surgical laminectomy
Main treatment and management of spondylosis/spondylolisthesis
Can prescribe two weeks of bedrest and symptom control. Due close follow-up. If there’s any neurological injury or of the bedrest doesn’t work do imaging. Spine surgery can be obtained
Diagnose the nerve root
Patient has absent plantar flexion and weak hip extension. Achilles reflex is negative. Lateral aspect of the foot in little toe have no sensation
S1
Diagnosed nerve root
Big toe cannot dorsiflex. Foot cannot advert. Patella an Achilles reflex are okay. Dorsum of the foot and lateral aspect of the lower leg has no sensation
L
Diagnose the nerve root
Week hip flexion and weak foot dorsi flexion. Absent patella Reflects. Anterior thigh and medial aspect of the lower leg has poor sensation
L2 - L4
Diagnose the nerve root lesion
Incontinence and impotence. Anocutaneous reflex absent. Posterior medial thigh and perianal Anastasia
S2 – S4
What is osteochondritis dissecans
An adolescent condition with subchondral bone detaches from underlying bone. Seen in heavily active voice. Presents with dough joint pain worsening with activity, stiffness, crepitus, swelling. Antalgic gate, catching unlocking sensation
Discuss the diagnosis of osteochondritis dissecans
X-ray, can see subchondral bone fragment. If radiograph as normal but still suspect do MRI
Treatment for osteochondritis dissecans
 Rest, physical therapy and surgery in severe cases
Thank Treatment for bursitis. Consider if septic or nonseptic
Nonseptic just do activity modification and NSAIDs. If septic then systemic antibiotics and surgical debridment maybe needed
What is pes anserinus pain syndrome
A bursitis. Located at the anterior medial tibia at the insertion of the Pes anserinus. Pain develops over weeks, worse at night, worse when in use, Valgus stress test doesn’t aggravate pain
Treatment for pes anserinus pain syndrome 
NSAIDs and strengthen the quadricep
Patient presents with boxers fracture and abrasions over the skin. How we manage
If skin is broken in boxers fracture have to do surgical debride meant and give IV antibiotics to cover Eikenella
Best initial treatment for patellofemoral syndrome. First line regime? And what is CI in septic bursitis
Rest, heat and ice, elevation and NSAIDs. Physical therapy to strengthen quadriceps. Intrabursal steroid injection potentially considered (contraindicated in septic bursitis)
What is Morton neuroma, what’s the Tx
Degeneration of the nerves between the toes due to compression of the metatarsals (walking on hard surfaces or high heels). Often have a clicking sensation palpating joint space, and get numbness and pain and paraesthesia. Treat with padded inserts in the shoes
Diagnostic procedure to confirm gout
Join aspiration an analysis of crystals
What can you see on x-ray for gout
Rat bite erosions. Which is punched out erosions with an overhanging cortical bone
Discuss treatment for a cute gout attack
Hide those incidents like indomethacin of first line. Steroids are used if NSAIDs are contraindicated or ineffective. Inject if one or two joints, systemic if multiple joints. Colchicine can also be used as well
When is maintenance therapy needed for gout patience
If you have two or more attacks annually, your presence of tophi or you have structural joint damage
 Probenecid is contraindicated in which cases 
Patience with tophi, nephrolithiasis or chronic kidney disease
What is adhesive capsulitis, how’s it diagnose how is it managed
Glenohumeral joint pathology, where it loses normal range of movement. Can be due to lots of things (such as fracture, rotator cuff injury, surgery, hypothyroidism, stroke, etc.) Presents with nagging shoulder pain and decrease range of movement. Clinically diagnosed, imaging only needed to rule out other pathology. Treatment includes exercises and therapy. NSAIDs and surgery needed if refractory