Cardiac Imaging Flashcards

1
Q

Problems

A

the heart moves which can lead to blurred images
the heart is hidden behind ribcage which can make it difficult to see
Air in lungs can make the heart difficult to see
some patients can’t lie flat which makes it hard to take images

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2
Q

Plain X-ray

A

PA(back to front) or AP(front to back)
most of time AP
can see cardiac size, aortic enlargement, fluid in lungs

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3
Q

Cardiac ultrasound

A

no radiation
quick and easy
patient can sit up
no IV contrast or invasive equipment

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4
Q

Blood Flow detection

A

doppler ultrasound can detect forward and backward blood flow as well as characterising stenosed and regurgitating heart valves
can also detect velocity of blood flow

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5
Q

trans oesophageal echo

A

camera down oesophagus
invasive and uncomfortable for patient
avoids obstructions such as ribs for a clearer image

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6
Q

stress echocardiography

A

identifies ischaemic abnormal movement of LV walls
can identify myocardial viability or valve dysfunction

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7
Q
A
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