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
2
Q
VQ imaging : 2 aspects
A
- Perfusion imaging
- Radiopharmaceutical
3
Q
Perfusion imaging
A
q=quelle=flow
4
Q
Radiopharmaceutical
A
- Tc-99m MAA (macro aggregates of albumin)
- Effective T½ in lungs ~2-3hrs
5
Q
A