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.

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

Diagram showing digoxin immune Fab binding digoxin as total serum levels rise while free active digoxin falls.

Toxic Agents and Antidotes

16 Sept 2026 · Updated 02 Oct 2026

Why Can Digoxin Levels Rise After Digoxin Immune Fab?

Amirhosein Shabrang

Medical illustration of diphenhydramine sodium-channel blockade causing QRS widening on an ECG.

Clinical Toxicology

16 Sept 2026 · Updated 02 Oct 2026

Why Does Diphenhydramine Overdose Widen the QRS?

Amirhosein Shabrang

Neurologic illustration showing ankle and ocular clonus as key bedside findings in serotonin toxicity.

Clinical Toxicology

16 Sept 2026 · Updated 01 Oct 2026

Why Is Clonus So Important in Serotonin Toxicity?

Amirhosein Shabrang

Medical diagram showing normal PaO₂, low SpO₂, and co-oximetry in methemoglobinemia.

Clinical Toxicology

16 Sept 2026 · Updated 02 Oct 2026

Why Can PaO₂ Be Normal When SpO₂ Is Low in Methemoglobinemia?

Amirhosein Shabrang