PACS/Therapy powerpoint

what does PACS stand for

picture archiving communication system

what does PACS do

stores images and dictations;

what does DICOM stand for

Digital Imaging and Communications in Medicine

what is the language of PACS

DICOM

what are the 4 components of PACS

modality, network, archives, workstation

what is Health Level 7

tells us how to safely use images

what are the three networks with PACS

server based, web based, distribution based

list the factors of the server based PACS

• images can only be viewed from any PACS

• only 1 radiologist can open the exam

• entire system fails if pacs does first

list the factors of the web based PACS

• can be accessed anywhere

• needs internet speed

list the factors of the distribution based pacs

• multiple copies of the exam

what is teler radiology

virtual services; sends info to other radiologist

what are the cons of PACS

• costly to implement

• personnel for maintence

• confidentiality with HIPPAA

• productivity stalls when malfunctions occur

list other things that can be treated with radiation besides cancer

ateriovenous malformation, keloids, heterotopic ossification, dupuytren’s contracture

what are the two goals for cancer treatment

curative/definitive and palliative

what percent of pts are curative treatment

70%

what is palliative tx

offers pain relief, survival is low

what are the 4 steps in the therapy process

consult, CT simulation, tx planning, tx course monitoring

how many degrees of freedom is the couch

6

what are the two beams used in therapy

electron and photon

photon has what

entry and exit dose

1.5cm is what MV

6MV

2.5cm is what MV

10MV

what kind of collimation does therapy have

multileaf collimator

what is proton therapy

uses the nucleus of an atom; goes straight to the tumor; no exit dose; no scatter outside of the pt

what is immobilization devices used for

true reproductivity