Cardiac Artefacts

Cardiac Artefacts

Professional Development

8 Qs

quiz-placeholder

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Cardiac Artefacts

Cardiac Artefacts

Assessment

Quiz

Science

Professional Development

Medium

Created by

Tony M

Used 2+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What caused this artefact?

Phase misregistration

Breathing

Undersampling

ECG failure

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is this arefact called?

Undersampling

Poor temporal resolution

Conebeam artefact

Breathing

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What caused this artefact?

Spiral mode - decrease in HR on inspiration

Spiral mode - increase in HR on inspiration

Sequential mode - decrease in HR on inspiration

Sequential mode - increase in HR on inspiration

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is this artefact?

Low kV, high HU

Breathing

Beam hardening

Metallic artefact

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How do we prevent this artefact?

Coach patients breathing

More contrast, less saline

More saline, less contrast

Increase injection rate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What caused this decrease in image quality?

Low dose

Incorrect Phase selection

Slow scanner = poor temporal resolution

What decrease?

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What caused this artefact?

Pacemaker lead

SVC Contrast

Breathing

Incorrect contrast phase

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What caused this artefact?

Breathing

Incorrect phase (% rather than ms)

Sequential mode pitfall

Patient moved