Thallium-201 Is Used in Cardiac Imaging

question 68

Short Answer

Thallium-201 is used in cardiac imaging. It decays by electron capture. What isotope is produced when thallium-201 captures an electron?

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Definitions:

Diastole

The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.

Systole

The phase of the heartbeat during which the heart muscle contracts and pumps blood from the chambers into the arteries.

Ventricular Filling

The phase of the cardiac cycle when the heart's ventricles fill with blood coming from the atria.

Diastole

The moment in the heartbeat cycle when the heart's muscle eases and the chambers are enabled to draw in blood.