And Answers
Surgery risk classes - (correct answer) -Class 1: benefits outweigh risk, should be done
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Class 2a: reasonable to performjl jl jl jl
Class 2b: should be considered jl jl jl jl
Class 3: rarely appropriate jl jl jl
General rules for surgery: testing - (correct answer) -ECG before surgery only if coronary
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disease, except when low risk surgery
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Stress test not indicated before surgery jl jl jl jl jl
Do not do prophylactic coronary revascularization
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Meds before surgery - (correct answer) -- Diabetic agents: Use insulin therapy to maintain
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glycemic goals(iii) Discontinue biguanides, alpha glucosidase inhibitors,
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thiazolidinediones, sulfonylureas, and GLP-1 agonists
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- Do not start aspirin before surgery
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- Stop Warfarin 5 days before surgery. May be bridged with Lovenox.
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- Do not stop statin before surgery
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- Do not start beta-blocker on day of surgery, but may continue
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Assessment of surgical risk - (correct answer) -- Unstable cardiac condition (recent MI, jl jl jl jl jl jl jl jl jl jl jl jl
active angina, active HF, uncontrolled HTN, severe valvular disease), concern with CAD,
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CHF. arrhythmia, CVD
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- patient stable or unstable?
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- urgency of the procedure (oncology will be time sensitive)
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- risk of procedure
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- nutritional status
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- immune competence
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- determine functional capacity (need to be more than 4 METS, more than 10 METs makes
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low risk)
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Low risk surgeries - (correct answer) -catarcts
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breast biopsy jl
cystoscopy, vasectomy jl
laporascopic procedures jl
Plastic surgery jl
intermediate risk surgeries - (correct answer) -Head/ neck surgery jl jl jl jl jl jl jl jl
thyroidectomy
Intraperitoneal
,Prostate
Laminectomy
Hip/ knee jl
Hysterectomy
cholecystectomy
nephrectomy
non majot intrathoracic jl jl
High risk surgeries - (correct answer) -aortic/ cabg
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transplants
spinal reconstruction jl
peripheral vascular surgery jl jl
Lee's revised cardiac risk index - (correct answer) -6 points:
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High risk surgery = 1 jl jl jl jl
CAD = 1 jl jl
CHF = 1 jl jl
Cerebrovascular disease = 1 jl jl jl
DM 1 on insulin = 1 jl jl jl jl jl
Creat greater than 2 = 1 jl jl jl jl jl
1 = low risk
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2 = moderate risk
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3 = high risk
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SCIP pre-operative infection measures - (correct answer) -- Prophylactic antibiotics should
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be received within 1 h prior to surgical incision
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- be selected for activity against the most probable antimicrobial contaminants
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- be discontinued within 24 h after the surgery end-time
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Postoperative infection reduction methods - (correct answer) -- pre-op hair removal jl jl jl jl jl jl jl jl jl jl
(clippers)
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- wash hands
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- normothermia
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- maintain euglycemia
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- urinary catheters are to be removed within the first two postoperative days
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Osteoarthritis: what, incidence - (correct answer) -Slow destruction of bones/ joint followed jl jl jl jl jl jl jl jl jl jl jl
by production of replacement collagen which causes inflammatory changes
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- older than 60
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- more female after 55
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- more black than white women
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- men and women equal risk between 45 - 55
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- abnormal height or weight (obesity)
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- repetitive movement
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,- prior trauma (sprains/ dislocations)
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- diabetic neuropathy
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- genetic
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Osteoarthritis findings and diagnostics - (correct answer) -- Pain in weight bearing joints jl jl jl jl jl jl jl jl jl jl jl jl
- stiffness after sitting, gets better when arising
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- feeling of instability on stairs
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- fine motor skills deficit
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- larger affected joints
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- Heberden nodules (bony bumps on the finger joint closest to the fingernail)
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- Bouchard's nodules (bony bumps on the middle joint of the finger)
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- limited ROM with crepitus
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- xr shows narrowing of joint space (need anteroposterior and lateral knee films bilaterally)
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- synovial fluid is clear and without WBC
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Osteoarthritis treatment - (correct answer) -Goal is to relieve symptoms, maintain/ improve jl jl jl jl jl jl jl jl jl jl jl
function, and avoid drug toxicity
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Hand OA: jl
- rest/ joint protection, with splinting
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- heat/ cold therapy
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- topical capsaicin
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- topical NSAID (trolamine salicylate) (especially for older than 75)
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- Oral NSAIDS, incl COX2 inhibitors such as celecoxib (Celebrex) (may cause cardiac
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problems)
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- tramadol
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- no opioids
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Hip/ knee OA: jl jl
- weight reduction, cardiovascular exercises
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- transcutanous external nerve stimulator
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- acetaminophen
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- Topical NSAIDS (knee)
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- intraarticular corticosteroid injections
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- surgery (joint replacement)
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Rheumatoid arthritis: what, who - (correct answer) -chronic, systemic autoimmune disease jl jl jl jl jl jl jl jl jl jl
that causes inflammation of connective tissue, first that of jionts them other soft tissues
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(renal, cardiovascular, pulm). TNF-alpha plays a big role
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- more women than men
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- unknown cause
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- Epstein Barr virus
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, Rheumatoid arthritis: Findings and diagnostics - (correct answer) -- symmetric joint/ jl jl jl jl jl jl jl jl jl jl
muscle pain, worse in the morning then gets better
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- weakness, fatigue
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- anorexia, weight loss
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- generalized malaise
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- swollen joints/ boggy feeling of joints with deformity of joints
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- warm, red skin on affected joints
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later:
- pleural effusions and pulmonary nodules
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- inflammation of sclerea (scleritis)
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- pericarditis, myocarditis
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- splenomegaly (Felty's syndrome)
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- anemia (hypochromic, microcytic) with low ferritin
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- possibly: positive rheumatoid factor
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- XR: joint swelling, later cortical and space thinning
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- synovial fluid: yellow, thick with elevated WBC up to 100.000
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Felty's syndrome - (correct answer) -rheumatoid arthritis, splenomegaly, neutropenia
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Rheumatoid arthritis treatment - (correct answer) -- early treatment better than stepwise jl jl jl jl jl jl jl jl jl jl jl
- early referral rheumatologist
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- disease-modifying anti-rheumatic drugs (DMARDs):
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- methotrexate ( no alcohol, monitor renal and liver, give with folic acid)
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- cyclosporine
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- Gold preparations (can cause thrombocytopenia)
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- Hydroxychloroquine: antimalarial drug (may cause visual changes, monitor)
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- sulfasalazine, moderate RA
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- Leflunomide, moderate to severe RA
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- Etanercept
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- monitor liver function with DMARDs
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- screen for TB (skin test) and Hep B
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- surgery: joint debridement, joint replacement
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Gout: what, who - (correct answer) -Inflammatory disorder in response to high uric acid
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production/ levels in blood and synovial fluid causing crystallization which causes
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inflammation (Type A and Mediterranean)
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- impaired renal function which causes excess uric acid
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- foods high in purine, such as dairy, red meat, shellfish, beer
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Gout findings, diagnostics - (correct answer) -- acute painful joint, often great toe (warm,
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swollen)
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- pain at night
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- flank pain because of renal calculi
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- fever
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