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Toxicology – Radiopaque Toxins
Iron
Iron preparations, particularly ferrous sulfate tablets, are clearly visible on radiographs. In large ingestions, they may accumulate and form a radiopaque pharmacobezoar.
Lead (Pb)
Lead-containing objects such as paint chips, bullets, toys, and figurines are highly radiopaque and easily identified on imaging.
Calcium
Calcium-containing substances are radiopaque, and significant ingestion can result in formation of a visible mass within the gastrointestinal tract.
Barium
Barium is inherently radiopaque and readily detectable on imaging studies.
Potassium
Potassium tablets may be visualized on radiographs, especially when ingested in large amounts, sometimes forming a pharmacobezoar.
Heavy Metals
Various heavy metals are radiopaque and can be identified on plain radiographs.
Enteric-Coated or Sustained-Release Tablets
Large ingestions of these formulations can lead to the formation of a radiopaque pharmacobezoar visible on imaging.
Arsenic
As a metallic element, arsenic is radiopaque and may be seen on radiographic studies.
Iodine
Iodine-containing compounds are radiopaque and can appear on imaging.
Chloral Hydrate and Halogenated Compounds
Certain halogenated substances, such as chloral hydrate and chloroform, may be detectable on x-ray due to their radiopaque properties.
Condom Packets (Body Packers)
Individuals who ingest drug-filled packets may show multiple uniform radiopaque densities on abdominal imaging.
Tricyclic Antidepressants (TCAs)
These medications may demonstrate variable radiopacity depending on dose and preparation.
Phosphorus
Phosphorus can be visualized on radiographs due to its radiopaque nature.
Iron
Iron preparations, particularly ferrous sulfate tablets, are clearly visible on radiographs. In large ingestions, they may accumulate and form a radiopaque pharmacobezoar.
Lead (Pb)
Lead-containing objects such as paint chips, bullets, toys, and figurines are highly radiopaque and easily identified on imaging.
Calcium
Calcium-containing substances are radiopaque, and significant ingestion can result in formation of a visible mass within the gastrointestinal tract.
Barium
Barium is inherently radiopaque and readily detectable on imaging studies.
Potassium
Potassium tablets may be visualized on radiographs, especially when ingested in large amounts, sometimes forming a pharmacobezoar.
Heavy Metals
Various heavy metals are radiopaque and can be identified on plain radiographs.
Enteric-Coated or Sustained-Release Tablets
Large ingestions of these formulations can lead to the formation of a radiopaque pharmacobezoar visible on imaging.
Arsenic
As a metallic element, arsenic is radiopaque and may be seen on radiographic studies.
Iodine
Iodine-containing compounds are radiopaque and can appear on imaging.
Chloral Hydrate and Halogenated Compounds
Certain halogenated substances, such as chloral hydrate and chloroform, may be detectable on x-ray due to their radiopaque properties.
Condom Packets (Body Packers)
Individuals who ingest drug-filled packets may show multiple uniform radiopaque densities on abdominal imaging.
Tricyclic Antidepressants (TCAs)
These medications may demonstrate variable radiopacity depending on dose and preparation.
Phosphorus
Phosphorus can be visualized on radiographs due to its radiopaque nature.
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