MSK Flashcards Preview

COMLEX 2 > MSK > Flashcards

Flashcards in MSK Deck (17):
1

Polymyalgia Rheumatica

painful stiff shoulder & pelvic girdle
temporal arteritis
elevated ESR

Tx: Prednisone 10-20 mg/d

2

Most sensitive test for acute ACL tear
Most appropriate tx. in young athlete

- Lachman Test (NOT Ant. Drawer)
- Bracing + mobilization + PT prior to ACL reconstruction

3

Tx: Legg-Calve-Perthes (avascular necrosis of femoral head)

Bracing with Petrie Cast and use crutches

4

Trigger finger description

Stenosing tenosynovitis common in DM pts. with a nodule in the MCP of the index/ring fingers that causes "catching" and locking in a flexed position.

Tx: stretching, splinting, ice, then steroids and surgery

5

Relapsing polychondritis

Chondritis involving:

1. Bilateral auricles
2. Non-erosive inflammatory arthritis
3. Nasal cartilage
4. Conjunctivitis, keratitis, scleritis, uveitis
5. Larynx/trachea
6. Hearing loss/tinnitus/vertigo

6

Differential diagnosis of saddle nose deformity

Wegeners
Leprosy
Syphilis
Relapsing polychondritis

7

Tx. Relapsing polychondritis

Prednisone 40-60mg/d

8

Dislocation due to electrocution or tonic clonic seizure

Posterior dislocation --> Internal rotation of arm

9

Elderly pt. with externally rotated and shortened leg likely has?

Femoral neck fracture

(Anterior hip dislocation will also be ext.rot., but affected limb is usually LONGER, not shorter).

10

Complex Regional Pain Syndrome

Unilateral limb pain
Cognitive neglect
Different skin temperatures
Autonomic dysregulation

11

Osteosarcoma

@ Metaphysis of Long Bones
Codman's Triangle (Elevation of Periosteum)
Often mets to lungs (DO a CHEST CT)

12

Ewing Sarcoma

@ Diaphysis
Onion skin

13

Osteomalacia

D/t?

Dx?

Tx?

Vit. D Deficiency leading to defective bone mineralization

Low Ca --> Inc. PTH --> Low PO4, Milkman's Lines

Tx: Vit D

14

Osteopetrosis ("Marble Bone Dz.")

d/t

Dx?

Tx?

failure of bone resorption --> thick, dense bones prone to fx. d/t abnormal osteoclast function

Erlenmeyer Flask deformity, Normal Ca, PO4, ALKPHOS

15

Labs in Paget's disease

Tx?

Normal Ca, PO4
Inc. ALKPHOS

Tx: Bisphosphonates, Calcitonin

16

Presence of girdle weakness, elevated troponins points toward a diagnosis of?

Myositis.

17

Migraine Ppx? (in order of 1st line, 2nd line, etc.)

1. Topiramate; Metoprolol if comorbid HTN
2. Amitriptyline