toxicology

Beta-Blocker vs Calcium Channel Blocker Toxicity

Cardiovascular Toxicology

Beta-Blocker vs Calcium Channel Blocker Toxicity
Feature	Beta-Blocker Toxicity	Calcium Channel Blocker Toxicity
Mechanism
Glucose	Hypoglycemia	HYPERGLYCEMIA
Specific Sign	Bronchospasm	CCB toxidrome = bradycardia + hyperglycemia
First-Line Antidote	Glucagon 3–5 mg IV bolus	Calcium chloride 1–3 g IV

Comparing: Beta-Blocker Toxicity

Hypoglycemia

Bronchospasm

Glucagon 3–5 mg IV bolus

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