# Nuclide record tl-201-chloride (drug). Data CC BY-NC 4.0, attribute "Data from Nuclide (nuclide.cc)". Whole corpus: https://nuclide.cc/api/v1/nuclide.nt
@prefix schema: <https://schema.org/> .
@prefix nuclide: <https://nuclide.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://nuclide.cc/drugs/tl-201-chloride/>
  a schema:Drug ;
  nuclide:kind "drug" ;
  schema:identifier "tl-201-chloride" ;
  schema:name "Thallous chloride Tl-201"@en ;
  schema:alternateName "Thallium-201"@en, "Tl-201 chloride"@en ;
  schema:description "The original heart-blood-flow tracer: a radioactive form of the metal thallium that heart muscle cells pull in almost like potassium, so a scan straight after exercise and a second scan hours later can tell a starved-but-alive muscle from permanently dead muscle without a second injection."@en ;
  schema:url <https://nuclide.cc/drugs/tl-201-chloride/> ;
  schema:dateModified "2026-09-22"^^xsd:date ;
  schema:citation <https://www.accessdata.fda.gov/drugsatfda_docs/label/2025/018150s029lbl.pdf>, <https://tech.snmjournals.org/content/jnmt/35/1/3.full.pdf> ;
  nuclide:tag "SPECT", "myocardial perfusion", "viability" ;
  nuclide:modality "SPECT tracer" ;
  nuclide:approval "US 1977: Myocardial perfusion imaging (planar or SPECT) for diagnosis of coronary artery disease by localisation of infarction and, with stress, ischaemia", "US 1977: Localisation of sites of parathyroid hyperactivity pre- and post-operatively" ;
  nuclide:related <https://nuclide.cc/drugs/tc-99m-sestamibi/>, <https://nuclide.cc/drugs/tc-99m-tetrofosmin/>, <https://nuclide.cc/isotopes/tc-99m/>, <https://nuclide.cc/isotopes/tl-201/> ;
  nuclide:indications <https://nuclide.cc/indications/coronary-artery-disease/> .