Contra-indications to ergometrine are all except: March 2008
**Question:** Contra-indications to ergometrine are all except: March 2008
**Core Concept:** Ergometrine is a synthetic ergot alkaloid that is commonly used as a uterine contractile agent in obstetrics. Its contra-indications are situations where its use could lead to adverse effects or complications.
**Why the Correct Answer is Right:** Ergometrine is contraindicated in situations where the potential risks outweigh the benefits. In this context, the correct answer refers to cases where its use should be avoided.
**Why Each Wrong Option is Incorrect:**
A. Ergometrine is contraindicated in patients with a history of severe allergic reactions to ergot alkaloids or other related substances. In this case, the correct answer is not C, as it discusses the patient's history rather than the specific contraindication.
B. Ergometrine is contraindicated in patients with hypersensitivity to ergot alkaloids, including pregnant patients. The correct answer is not D, as it does not mention the specific contraindication.
C. Ergometrine is contraindicated in patients with a history of severe migraine or migraine with aura, as it can exacerbate the symptoms. The correct answer is not B, as it does not address the specific contraindication.
D. Ergometrine is contraindicated in patients with a history of severe migraine or migraine with aura, as it can exacerbate the symptoms. The correct answer is not C, as it discusses the patient's history rather than the specific contraindication.
**Clinical Pearl:** Ergometrine should be used with caution in patients with a history of pheochromocytoma, a rare neuroendocrine tumor that can lead to excessive release of catecholamines. In such cases, ergometrine may exacerbate the symptoms, potentially causing life-threatening complications.
**Correct Answer:** March 2008 (The specific year is irrelevant in this context; the focus is on the contraindications.)
**Explanation:** The correct answer is not mentioned in the options provided. However, the correct answer refers to the specific contraindications of ergometrine:
1. **Core Concept:** Ergometrine is contraindicated in patients with a history of pheochromocytoma, which is a neuroendocrine tumor that can lead to excessive release of catecholamines.
2. **Why Each Wrong Option is Incorrect:**
A. Ergometrine is contraindicated in patients with a history of severe migraine or migraine with aura, as it can exacerbate the symptoms. This option discusses the patient's history rather than the specific contraindication.
B. Ergometrine is contraindicated in pregnant patients with a history of pheochromocytoma, as it can lead to life-threatening complications in such patients.
C. Ergometrine is contraindicated in patients with a history of pheochromocytoma, which is a neuro