2.6.3 Pulmonary VQ:Nuclear medicine Flashcards

Briefly describe how studies are performed and radiopharmaceuticals used Briefly explain common indications Briefly mention the advantages and disadvantages of VQ scans vs CTPA

1
Q

Pulmonary segments

A

R lung=10
Llung=8

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2
Q

VQ imaging : 2 aspects

A
  1. Perfusion imaging
  2. Radiopharmaceutical
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3
Q

Perfusion imaging

A

q=quelle=flow

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4
Q

Radiopharmaceutical

A
  • Tc-99m MAA (macro aggregates of albumin)
  • Effective T½ in lungs ~2-3hrs
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5
Q
A
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