RADIOACTIVE TRACERS


	RADIOACTIVE TRACERS
	Advantages Small amount of tracer is used Real time images produced Gives good, clear images Can go directly to where you want it (specific organs, tissues)	Disadvantages Patient has to be placed in isolation for a while until all radiation has left the body Hazardous to patient- radiation can ionise cells Radiation used for the tracer has to be stored safely Radiation used has short half-life- needs to be used quickly
	Evaluation

Patient has to be placed in isolation for a while until all radiation has left the body
Hazardous to patient- radiation can ionise cells
Radiation used for the tracer has to be stored safely
Radiation used has short half-life- needs to be used quickly

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