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Table 1 Summary of optimal injected activities radiopharmaceutical and acquisition parameters for each cardiac-centered gamma cameras and acquisition protocol

From: EANM procedural guidelines for myocardial perfusion scintigraphy using cardiac-centered gamma cameras

Gamma cameras

D-SPECT

Alcyone

IQ.SPECT

Conventional Anger camera

99mTechnetium-labeled tracers (usual protocols)

 Selection of estimated total myocardial counts (scout view)

0.7–1.3 million counts

0.7–1.4 million counts

NA

NA

Injected activities

 One-day stress/rest

Stress, 2.5–3.5 MBq/kg (total IA, 150–300 MBq)

Rest, 7.5–10.5 MBq/kg (total IA, 450–900 MBq)

Stress, 2.5–3.5 MBq/kg (total IA, 150–300 MBq)

Rest, 7.5–10.5 MBq/kg (total IA, 450–900 MBq)

Stress, 2.5–3.5 MBq/kg (total IA, 150–300 MBq)

Rest, 7.5–10.5 MBq/kg (total IA, 450–900 MBq)

Stress, 4 MBq/kg 250–400 MBq (total IA)

Rest, 12 MBq/lg

750–1200 MBq (total IA)

 Two-day stress/rest

Stress or rest, 3–5 MBq/kg (total IA, 180–500 MBq)

Stress or rest, 3–5 MBq/kg (total IA, 180–500 MBq)

Stress or rest, 3–5 MBq/kg (total IA, 180–500 MBq)

Stress or rest, 4–7 MBq/kg (total IA, 300–600 MBq)

 Viability

3–5 MBq/kg at rest (total IA: 180–500 MBq)

3–5 MBq/kg (total IA: 180–500 MBq)

3–5 MBq/kg (total IA: 180–500 MBq)

Stress or rest, 4–7 MBq/kg (total IA, 300–600 MBq)

99mTc-labeled tracers (ultra-low dose protocols)

 Selection of estimated total myocardial counts (scout view)

0.5–0.8 million counts

0.7–0.9 million counts

NA

NA

Injected activities

 One-day stress/rest

Stress, 120 MBq

Rest, 360 MBq

Stress, 120 MBq

Rest, 360 MBq

Stress, 100 MBq

Rest, 300 MBq

NA

201Thallium

 Estimated total myocardial counts (scout view)

0.5–0.8 million counts

1.0 million counts

NA

NA

Injected activities

 Stress/redistribution

Stress, 0.5–1.5 MBq/kg (total IA, 50–90 MBq)

(± injection of 37 MBq for redistribution)

Stress, 0.5–1.5 MBq/kg (total IA, 50–90 MBq)

(± injection of 37 MBq for redistribution)

Stress, 1.0–1.5 MBq/kg (total IA, 74–111 MBq)

(± injection of 37 MBq for redistribution)

Stress, 1.0–1.5 MBq/kg (total IA, 74–111 MBq)

(± injection of 37 MBq for redistribution)

Viability

0.5–1.5 MBq/kg at rest (total IA, 50–90 MBq)

0.5–1.5 MBq/kg at rest (total IA, 50–90 MBq)

1.0–1.5 MBq/kg at rest (total IA, 50–90 MBq)

Rest: 1.0–1.5 MBq/kg

74–111 MBq at rest (total IA)