Other Flashcards

1
Q

Increase in metabolic demands after BKA

A
Long = 10%
Traumatic = 25%
Short = 40%
Bilateral = 40%
Vascular = 40%
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2
Q

Increase in metabolic demands after AKA

A
Traumatic = 68%
Vascular = 100%
Bilateral = >200%
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3
Q

Contraindications to hyperbaric O2 therapy

A

Chemo or radiation
Implanted devices
Undrained PTX

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4
Q

Advantages of trans-radial amp vs wrist disarticulation

A

More aesthetic
Better prosthesis fit
Better for brachial plexopathy

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5
Q

Elbow disarticulation vs. trans-humeral amp for kids

A

Do elbow disarticulation

Prevents bony overgrowth

Do disarticulations in kids

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6
Q

If BKA prosthesis is placed forward

A

Increased knee extension

Patellar pain

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7
Q

If BKA prosthesis is placed posteriorly

A

Increased knee flexion

Instability

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8
Q

Anatomical requirements for Syme amp

A

Patent PT artery

Stable heel pad

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9
Q

Metabolic demands of foot amps

A

Mid foot/TMA&raquo_space;> Syme

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10
Q

Complication of Chopart amp and solution

A

EQUINUS contracture

Solution: Transfer TA to talar neck

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11
Q

Gold standard for assessing metabolic conditions for healing

A

Transcutaneous O2 >40 mm Hg

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12
Q

Priorities in treating a flail arm

A

Elbow flexion
Stable shoulder
Brachial-thoracic pinch

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13
Q

Amount of blood loss where hypotension occurs

A

1500-2000 cc

30-40% blood volume

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14
Q

Most sensitive indicator of adequate resuscitation

A

Lactate <2.5

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15
Q

How to calculate ISS

A

Sum of squares of 3 highest AIS scores

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16
Q

Factor assoc w/ worst acute mortality after polytrauma

A

CNS involvement (CHI)

17
Q

5 preop risk factors assoc w/ highest postop mortality

A
CRF
CHF
COPD
Hip fx
Age >70
18
Q

Factor that has greatest effect on outcome after prox humerus fx

A

Age

19
Q

Mechanism of calcium phosphate resorption

A

Osteoclasts

20
Q

Most common tendon transfer for radial nerve palsy

A

Pronator teres to ECRB