**Core Concept**
Left-sided heart failure occurs when the left ventricle is unable to pump blood effectively, leading to increased pressure and fluid buildup in the lungs. This condition is often associated with symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.

**Why the Correct Answer is Right**
The correct answer is not directly provided, but we can infer that left-sided heart failure is associated with the following findings:

* **Option A:** Cardiomegaly (enlarged heart) is often seen in left-sided heart failure due to increased pressure and workload on the heart.
* **Option B:** Pulmonary edema (fluid buildup in the lungs) is a common complication of left-sided heart failure, leading to dyspnea and other respiratory symptoms.
* **Option C:** Jugular venous distension (JVD) is associated with right-sided heart failure, not left-sided heart failure, as it indicates increased pressure in the jugular veins.

**Why Each Wrong Option is Incorrect**
* **Option A:** Cardiomegaly is a common finding in left-sided heart failure due to the increased workload on the heart.
* **Option B:** Pulmonary edema is a direct consequence of left-sided heart failure, leading to fluid buildup in the lungs.
* **Option C:** Jugular venous distension is typically associated with right-sided heart failure, indicating increased pressure in the jugular veins.

**Clinical Pearl / High-Yield Fact**
When evaluating a patient with suspected heart failure, it is essential to differentiate between left-sided and right-sided heart failure, as their clinical presentations and treatment approaches differ.

**Correct Answer:** C.