**Core Concept**
Infarction in the heart, also known as myocardial infarction (MI), occurs due to an imbalance between oxygen supply and demand, leading to cell death. The type of infarct depends on the location and blood supply of the affected area.

**Why the Correct Answer is Right**
The type of infarct seen in the heart is typically a coagulative necrosis, characterized by the preservation of cell outlines and the conversion of cells to a firm, homogeneous mass. This type of necrosis is caused by the sudden loss of blood flow and oxygen to the cardiac muscle cells. The coagulative necrosis is a result of the denaturation of proteins and the collapse of cellular structure.

**Why Each Wrong Option is Incorrect**
**Option A:** Liquefactive necrosis is typically seen in the brain after a stroke, where the dead tissue is replaced by a liquid mass. This type of necrosis is not characteristic of the heart.
**Option B:** Caseous necrosis is a type of necrosis seen in tuberculosis, where the dead tissue is replaced by a cheesy material. This type of necrosis is not seen in the heart.
**Option C:** Fat necrosis is a type of necrosis seen in fatty tissues, such as in pancreatitis, where the dead fat cells are replaced by a firm, chalky material. This type of necrosis is not characteristic of the heart.

**Clinical Pearl / High-Yield Fact**
It's essential to note that the type of infarct seen in the heart can be influenced by the location and blood supply of the affected area. For example, the anterior wall of the heart receives its blood supply from the left anterior descending artery (LAD), and infarctions in this area are typically coagulative necrosis.

**Correct Answer:** C. Coagulative necrosis.