Tox Spotlight

Rapid toxicology Q&A pearls

Bite-sized, high-yield toxicology Q&As for clinicians and poison center teams. Practical pearls on toxidromes, antidotes, decontamination, ECG findings, and dialysis decision points.

Timeline showing an initially asymptomatic Eastern coral snake bite followed by delayed ptosis, bulbar weakness, and respiratory compromise.

Toxic Agents and Antidotes

29 Oct 2026

Why Observe After an Eastern Coral Snake Bite With No Symptoms?

Amirhosein Shabrang

Clinical decision graphic showing when whole-bowel irrigation may be considered or avoided after sustained-release calcium channel blocker overdose.

Clinical Toxicology

29 Oct 2026

Why Isn’t WBI Routine After Sustained-Release CCB Overdose?

Amirhosein Shabrang

Clinical graphic showing atropine titration to clearing bronchorrhea and improved circulation rather than normalization of pupil size.

Toxic Agents and Antidotes

28 Oct 2026

Why Should Atropine Be Titrated to the Chest, Not Pupils?

Amirhosein Shabrang

Clinical graphic showing severe repeated low-dose methotrexate toxicity despite a low serum methotrexate concentration.

Food and Drug Toxicology

27 Oct 2026

Why Can Methotrexate Toxicity Occur With a Low Level?

Amirhosein Shabrang

Pediatric imaging comparison showing radiolucent water beads missed on X-ray but detected as fluid-filled bowel lesions on ultrasound.

Pediatric and adolescent Toxicology

27 Oct 2026

Why Can Water Beads Be Missed on X-Ray?

Amirhosein Shabrang

Diagram showing red hydroxocobalamin discoloration triggering a false optical blood-leak alarm despite an intact dialysis membrane.

Toxic Agents and Antidotes

26 Oct 2026

Why Can Hydroxocobalamin Trigger a False Blood-Leak Alarm?

Amirhosein Shabrang

Timeline showing delayed seizure risk after extended-release bupropion overdose despite an initially normal neurologic examination.

Clinical Toxicology

24 Oct 2026

Clinical graphic comparing valid and invalid scenarios for using the Rumack-Matthew acetaminophen nomogram.

Amirhosein Shabrang

Clinical graphic comparing valid and invalid scenarios for using the Rumack-Matthew acetaminophen nomogram.

Clinical Toxicology

24 Oct 2026

When Does the Rumack-Matthew Nomogram Not Apply?

Amirhosein Shabrang

Diagram showing CO₂ rise, pH fall, and increased CNS salicylate penetration after loss of compensatory hyperventilation.

Clinical Toxicology

21 Sept 2026 · Updated 02 Oct 2026

Why Can Intubation Worsen Salicylate Toxicity?

Amirhosein Shabrang

Medical diagram showing lithium redistribution from tissues into blood after hemodialysis causes serum lithium rebound.

Clinical Toxicology

16 Sept 2026 · Updated 26 Sept 2026

Why Can Lithium Levels Rebound After Hemodialysis?

Amirhosein Shabrang

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