👉 Undilated (also known as an "unobstructed" or "non-obstructed") refers to a medical condition in which the blood vessels are narrowed, obstructed, or blocked. This can occur due to various causes such as trauma, infection, disease, or genetic factors. In medical terms, undilation is defined as the narrowing of blood vessels, typically resulting from either internal damage (bleeding) or external obstruction (such as a surgical procedure). It is often associated with symptoms
