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Flashcards in ortho Deck (34):
1

which surgery is most associated with BCIS

hip arthroplasty

2

mma in systemic circulation causes tachycardia or bradycardia

brady & dyrsthymias

3

mma in systemic circulation does what to BP

hypo

4

mma in systemic circulation does what to SVR

dec

5

mma does what to PVR

inc

6

first signs of BCIS in awake person under regional

dyspnea and AMS

7

first sign of BCIS in general

decreased ETCO2

8

tx for BCIS

100% FIO2, IV hydration, neo for hOtn

9

greatest risk for fat embolism is within ___

72h

10

risk factors for fat embolism

pelvic fx, femoral fx, and instrumentation of femoral medullary canal

11

triad of FES

resp insufficiency (hypoxemia, bilateral infiltrates on CXR, ARDS), neurological involvement (confusion to coma), petechial rash (skin of neck and axilla, oral mucose, conjunctiva)

12

cells distal to the tourniquet shift to ____ metabolism

anaerobic

13

max inflation time of tourniquet

2h

14

premature release of bier block results in ___ or ___

sz or cardiac arrest

15

releasing the tourniquet causes ETCO2 to ____

rise

16

releasing the tourniquet causes core body temp to ____

decrease

17

releasing the tourniquet causes BP to ____ and HR to ____

decrease, increase

18

releasing the tourniquet causes SvO2 to ____

decrease

19

releasing the tourniquet causes what acid base imbalance?

metabolic acidosis

20

tourniquet pain is usually transmitted by __ fibers

c (slow pain)

21

under GA, tourniquet pain manifests as ___ and ____

htn, tachycardia. give esmolol

22

bone cement is an ___ reaction

exothermic. releases heat

23

tissue thromboplastin release may cause platelet _____, micro_____, and CV ____

aggregation, microthrombus (lungs) and CV instability

24

BCIS embolization is most frequent during

prosthetic insertion

25

upper extremity should be ___ torr, lower extremity should be ___ torr

250. 350. want 100 over systolic

26

tourniquet pain is less common in ___ anesthesia

regional

27

placement of epidural needle or catheter should not be undertaken within ___ hours of a SQ heparin or within ___h of LMWH

6-8, 12-24

28

stop plavix ___ days

7

29

stop xaralto __ hours

48-72

30

restrictions on aspirin?

none

31

which location of fracture has the most blood loss?

subtrochanteric, intertrochanteric
(followed by base of fem neck, transcervical, sub capital) lower=bleed more

32

embolic event most frequent at ___ of ___ component

insertion of femoral component

33

highest rate of DVT is with what ortho procedure

total knee arthroplasty

34

avoid ___ block in people with resp problems

interscalene