Succinylcholine can cause:
**Core Concept**
Succinylcholine is a depolarizing neuromuscular blocking agent that acts on the nicotinic acetylcholine receptor. It is commonly used for rapid sequence intubation due to its fast onset of action. However, it can cause several side effects due to its mechanism of action.
**Why the Correct Answer is Right**
The correct answer is related to the side effects of succinylcholine, which include hyperkalemia, muscle fasciculations, and malignant hyperthermia. Hyperkalemia occurs because succinylcholine causes a massive release of potassium ions from muscle cells. This is a life-threatening condition that requires immediate attention.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because while succinylcholine can cause muscle fasciculations, the correct answer is more severe and life-threatening.
**Option B:** This option is incorrect because it is not a well-known side effect of succinylcholine.
**Option C:** This option is incorrect because it is not directly related to the use of succinylcholine.
**Clinical Pearl / High-Yield Fact**
It is crucial to remember that succinylcholine can cause a significant increase in potassium levels, especially in patients with burns, spinal cord injuries, or muscle denervation. This knowledge can help in preventing and managing hyperkalemia.
**Correct Answer:** D. Hyperkalemia.