V/Q scintigraphy
- Ventilation: Xe‑133 gas, Kr‑81m, Tc‑99m DTPA aerosol or Technegas (carbon nanoparticles).
- Perfusion: Tc‑99m MAA (10–90 µm) lodges in < 0.1% of pre‑capillary arterioles.
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Part 2 · Contrast Media, Nuclear Medicine and Radiotherapy
Same concept, other depth: Foundation →
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