Dose of Atropine in one ampoule?

Appeared in: SGPGI Nursing Officer-2024

Explanation

The standard and most common formulation for Atropine Sulphate injection is 0.6 mg in a 1 mL ampoule.
This concentration is widely used in clinical settings, especially in emergency crash carts for treating bradycardia.
Knowing this standard dose is fundamental for safe and rapid medication administration during critical events.

Option B: This is not a standard concentration for a single-dose ampoule of Atropine.
Option C: This is the standard concentration for a 1 mL ampoule of Adrenaline (Epinephrine) in a 1:1000 solution, not Atropine.
Option D: This represents a concentration of 0.4 mg/mL (2 mg divided by 5 mL), which is not a standard presentation for a single ampoule. Atropine may be diluted, but this is not its primary packaging.

Clinical Relevance

Nursing practice connection: Knowing Standard drug formulation and dosage of Atropine helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Knowing standard drug concentrations is critical for patient safety to prevent medication errors, especially with high-alert medications like Atropine.
Atropine is a first-line drug in Advanced Cardiac Life Support (ACLS) protocols for managing symptomatic bradycardia.
What if? If a patient has angle-closure glaucoma, Atropine is contraindicated because its mydriatic (pupil-dilating) effect can increase intraocular pressure and precipitate an acute glaucoma attack.

How to Approach the Question

Identify the question as a factual recall question about a specific drug's standard dose.
Access your knowledge base of common emergency medications and their standard formulations.
Eliminate options that are clearly incorrect or are standard doses for other common drugs. For example, recognize that 1 mg/mL is characteristic of Adrenaline.
Confirm the most common presentation for the drug in question. For Atropine, 0.6 mg/mL is the standard.

Concept Tested & Keywords

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E6 Pharmacology Katzung 16e p. 205-207

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