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Flashcards in Patient Care Deck (21):
1

Pre-Patient

check previous imaging studies

check lab work

prepare room

put patient info into machine

2

Where is patient

emergency room

outpatient

inpatient

3

inpatient preps check

isolation status

any prep needed

special considerations for age

other tests ordered

labs requested

4

patient in room pre-scanning

check physician orders

ask relevant questions

explain exam

obtain verbal consent for endovaginal scan

ask if any questions

follow standard precautions

5

Relevant questions

history

current complaints

check mothers well being (OB)

6

standard precautions

proper handwashing

cleaning of equipment

7

patient scanning

warm gel

warm room

protect patient modesty

treat patients with respect

If OB patient drops BP, have lie on left side

8

Post scan

no diagnosis given to patient

explain role as sonographer

explain radiologists role

OB pictures/CD

answer all p[atient questions

ensure patient can find way out of department

 

9

Examination techniques

full bladder for transabdominal pelvic scan

empty bladder for transvaginal scan

lower freq for obese patients

Gyn table or cushion under buttocks for TV scan

10

Cavitation

result of pressure changes in soft tissue causing formation of gas bubbles

stable

transient

MI

11

Stable cavitation

involves microbubbles already in soft tissue

change diameter with passin gof pressure variations of sound wave

12

Transient Cavitation

occurs when the microbubble collapses

produces pressure shockwaves

localized extremely high temps and light emission in clear liquids

potential for significant destructive effects

13

MI

Mechanical Index

indicator of cavitation

14

In-vivo

latin for

within the living

experimentation using a whole living organism

15

In-vitro

in glass

experimentation inside a test tube or lab dish

16

epidemiologic

study of populations in order to determine the frequency and distribution of disease and measure risks

17

Bioeffects

handouts

ALARA

 

 

18

SPTA Intensity

less than 1 W/cm no effects

19

Quality assurance

hydrophones

phantom objects test-measure

20

hydrophones

measure the accoustic output of diagnostic instruments

21

phantom tests

detail resolution

distance accuracy

compensation

sensitivity

dynamic range