Calcium Antagonists + Technetium Tc 99m Pyrophosphate Interaction

Moderateinteraction on record

Description

High levels of calcium from concomitant medications may alter biodistribution of technetium Tc 99m pyrophosphate, reducing skeletal uptake and increasing extraosseous uptake, potentially degrading imaging quality.

Mechanism

Calcium cations interfere with radionuclide biodistribution

Source: NLP:technetium tc 99m pyrophosphate