PACS

Resolution and orientation of the monitor is a factor in determining...

Over or under exposure to mAs and / or kVp can ________ image noise

SNR is caused by _______ which is the origin of most digital image noise

The ability of an imaging system to distinguish(resolve) between 2 or more very small objects placed close together

Which of the following is a part of HIS and consist of all the patients medical history?

Now, as radiologists have become more comfortable, the number of monitors has dropped to an average of ___

two types of soft copy monitors

Any computer used to view a digital image.

Stores all images, reports, patient information.

Brightness is time dependent and an LCD monitor will typically need at least __ minutes bf accurate diagnostic reading

The standard language for exchange of patient demographic information among hospital information systems

Archive Servers consist of what type of storage?

Presents images to be viewed

Has a limited viewing angle

PACS archive can be queried for historical images.

The higher the resolution of the monitor the more it cost

Two type of imaging display

First PACS was created in the late...

plasma is more screen reflective than lcd

The higher the SNR value the ____ noise the image will display

With early PACS, radiologists thought that they needed ___ to ____ monitors.

Houses all of the historic and current data 

Identifies patients, processes orders, stores reports, and generates billing but does NOT manage medical image data

Most cross-sectional imaging is read on a... 

May also serve as the centralized node that receives all images before interpretation

Communicates between HIS and RIS

Now every modality and PACS communicates via...

Known as the workflow manager

plasma is more costly than lcd

____ mAs exposure techniques will result in more image noise

Display WS is used inside and outside of the radiology department

Using the smallest IR for each exam will ______ noise

Handles patient information, billing records and orders

The first PACS served multiple modalities

RIS does NOT communicate with PACS

requires less maintenance than plasma

Process or capability of distinguishing between individual parts of an image that are adjacent.

Known as the central part of pacs

Faster processing speeds will ______ noise

Made up of many small fluorescent lights that are illuminated to form the color of the image

High resolution monitors _______ are used for mammography

plasma requires warm up time

Display WS is the most noninteractive part of pacs

First version of Dicom version was completed in...

The higher the resolution, the less information that can be displayed.  

How a process is done step by step or how a task is completed

The next generation to follow LCD

Universally accepted standard(language) for exchanging medical images between the various modalities and PACS

Most computed radiography (CR) and digital radiography (DR) images are read on at least a...

The first full-scale PAC the United States was installed at...

Function allows retrieval of images from the PAC system based on the following: Date,Pt name/#,Exam #,pathology,A area

DICOM laid the groundwork for the future development of integrated PACSs

basic picture element (small squares or boxes)

Known as a Radiology Specific Data Base

____ has taken over PACS display market because of its size, resolution, and lack of heat production

Known as the file room of PACS

Inability to transmit true black

What is the difference between a hardcopy radiograph and a softcopy image?

Database containing all patient medical record information except for radiology.

Dropped in price and has risen in quality

CRT gives more light this LCD

Biomedical Informatics includes which of the following?

Allows manipulation of images without re-exposing patients

LCD produces less heat than CRT

Soft Copy consist of flat screen monitors and have many advantages

Receives images from archive or various radiology modalities

The _____ the spatial frequency the less noise the image will display

Using low –pass filtering or smoothing _______ image noise, especially in soft tissues

Ability to display higher contrast due to its ability to display deeper blacks

LCD has a lomger life than plasma screen

This is used for non image data only!

Communicates with the various modalities via DICOM 

pixels are built right into the screen

What Occured in later Pacs

The following Images are required in a digital format: Ultrasound, CT,MRI, Nuc med, CR, Mammo...this is known as

Consist of images on film, laser printers and dry processors

Confidentiality concerns with electronic transfer and reception of medical information is known as

The electronic version of the radiologist’s reading room and the file room.

Number of pixels contained on a display 

The weakest link in the “imaging chain” is the monitor