A colorless, odorless, tasteless killer. A winter exposure that can fool a standard oxygen monitor. And stolen car parts that may make the danger worse.

Your patient. Your diagnosis. Your decision.

An interactive emergency and environmental medicine case involving combustion exposure, headache, confusion, cardiac injury, hidden household risk, and high-concentration oxygen treatment.

Season 3

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A festive tea made from a poisonous holiday plant. Artificial snow that is unsafe to inhale. And an alcohol-related emergency in someone who may not appear drunk.

Your patient. Your diagnosis. Your decision.

An interactive seasonal toxicology case involving decorative-plant exposure, aerosol inhalation, withdrawal, low blood sugar, metabolic complications, and holiday poison prevention.

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A neurologic disease shared by sea lions and humans. A marine toxin that inspired a horror film. And a compound once explored as a deworming treatment.

Your patient. Your diagnosis. Your decision.

An interactive marine toxicology case involving contaminated seafood, seizures, memory loss, altered mental status, environmental blooms, and supportive neurologic care.

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A party drug enjoyed since 1799. A social-media trend that can mean hundreds of doses a day. And an intoxicant sold openly in the grocery store.

Your patient. Your diagnosis. Your decision.

An interactive emergency medicine case involving inhaled recreational gas, oxygen deprivation, vitamin inactivation, numbness, spinal-cord injury, and neurologic diagnosis.

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A toxic hazard hiding inside a haunted-house effect. Outbreaks that have sickened thousands of people, many of them children. And a link between extreme exercise and kidney failure.

Your patient. Your diagnosis. Your decision.

An interactive environmental toxicology case involving unexpected recreational exposure, muscle breakdown, dark urine, electrolyte danger, acute kidney injury, and aggressive fluid treatment.

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Homemade jewelry with a lethal secret. A poison that affects some people far more than others. And a tiny object used to assassinate Eastern European dissidents.

Your patient. Your diagnosis. Your decision.

An interactive forensic toxicology case involving seed and bead exposure, severe gastrointestinal illness, organ failure, covert assassination, and supportive care without a routine antidote.

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A phrase that fills toxicologists with dread. The poison ancient Athens used for execution. And a mysterious illness caused by eating quail.

Your patient. Your diagnosis. Your decision.

An interactive wilderness and foodborne toxicology case involving foraged plants, delayed symptoms, muscle breakdown, seizures, respiratory failure, and uncertain exposure history.

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A common over-the-counter medicine that can kill pets. A toxicology treatment graph first sketched on a cocktail napkin. And a barbiturate coma used to protect the brain.

Your patient. Your diagnosis. Your decision.

An interactive medication-overdose case involving delayed liver injury, antidote timing, blood-level interpretation, acute liver failure, and transplant evaluation.

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One of Dr. JP’s greatest fears. A wound that should not be washed with water. And a neglected tropical emergency that kills more than 100,000 people each year.

Your patient. Your diagnosis. Your decision.

An interactive wilderness toxicology case involving venomous bites, swelling, bleeding, paralysis, tissue injury, first-aid errors, and urgent antivenom decisions.

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Organs that take on a startling green color. Courtroom evidence that helped launch forensic toxicology. And a poisoned patient who refuses to improve despite treatment.

Your patient. Your diagnosis. Your decision.

An interactive medical and legal mystery involving delayed heavy-element diagnosis, treatment failure, laboratory interpretation, tissue findings, and the contested origins of forensic evidence.

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