Lung V/Q Scan

What is a lung V/Q scan?

A lung ventilation/quantitative (V/Q) scan is a nuclear medicine test that uses radioactive tracers to assess your lung ventilation (air flow) and perfusion (blood flow).

Why has my physician ordered this exam?

The exam helps your physician see whether there is a blood clot in your lung(s). It also helps pinpoint and evaluate damaged areas.

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