Last reviewed · How we verify

Slow Infusion of Rubidium-82

Ochsner Health System · FDA-approved active Small molecule

Rubidium-82 is a positron-emitting radioactive tracer that accumulates in myocardial tissue proportional to blood flow, allowing visualization of cardiac perfusion defects via PET imaging.

Rubidium-82 is a positron-emitting radioactive tracer that accumulates in myocardial tissue proportional to blood flow, allowing visualization of cardiac perfusion defects via PET imaging. Used for Myocardial perfusion imaging for detection of coronary artery disease, Assessment of myocardial viability in patients with coronary artery disease.

At a glance

Generic nameSlow Infusion of Rubidium-82
Also known as20 mls/min of Rubidium-82
SponsorOchsner Health System
Drug classPositron emission tomography (PET) imaging agent
TargetNa+/K+-ATPase pump (potassium analog)
ModalitySmall molecule
Therapeutic areaCardiovascular
PhaseFDA-approved

Mechanism of action

Rubidium-82 is a potassium analog that is taken up by viable myocardial cells via Na+/K+-ATPase pumps. When infused slowly intravenously, it distributes to the heart in proportion to regional blood flow. The positron emissions are detected by PET cameras to create images showing areas of reduced perfusion (ischemia) versus normal perfusion, enabling assessment of coronary artery disease and myocardial viability.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: