mobiles and portables

Question 1

where do portable xray units go for their imaging

Answer 1

resthomes
private hospitals
pts homes
zoo

Question 2

where do mobile xray units go for imaging

Answer 2

the hospital wards
ED
for patients who cannot walk or be transported to the radiology dept.

Question 3

clinical indications for mobile chest imaging

Answer 3

post surger y, NG tube position, ICU chest round, post arrest

Question 4

describe how to best position a ward patient for an AP sitting chest xray

Answer 4

Have the bed supine and get them to move up the bed first. place a sponge behind detector, Then raise the top of the bed head to get them sitting, then get pt to lean forward and slide sponge/detector down the back without irratiting the skin on the patients back. if you do this supine, you would use a slippery sheet.

Question 5

what are the main differences between portable machines and mobile machines

Answer 5

portable can be dismantles into tube head, tube column, control unit and can be carried unlike a mobile unit which is heavy as one complete unit and has to be driven around. for a portable the max exposure is 100kvp and 15mA. for mobiles it can take up to 20 xrays up to 70kvp and 20mA before needing charging.

Question 6

in pulse fluroscopy, what is proportional to the pt dose

Answer 6

pulse rate

Question 7

3 steps for dose reduction in fluroscopy

Answer 7

staff wear pb gown and thyroid sheilds
dr or nurses close to source to wear eye sheilds
put the tube under the table to reduce scatter

Question 8

benefits vs downfalls of using a C arm

Answer 8

benefits: left to right rotation and cranial/caudal angle
downfalls: large and hard to move, requires additional display units, theres a small SID so increased MAG