What does a coronary angiography show?

• A. The heart's electrical activity
• B. The presence and severity of blockages in coronary arteries
• C. The size of the heart chambers
• D. The condition of the heart valves

Answer: (B)

Coronary angiography is a diagnostic procedure specifically designed to visualize the coronary arteries, which supply blood to the heart muscle. This procedure involves injecting a contrast dye into the coronary arteries, allowing for clear imaging through X-ray techniques. The primary purpose of coronary angiography is to identify the presence of blockages or narrowing within these arteries, which can indicate conditions like coronary artery disease.

By evaluating the images obtained during the procedure, healthcare providers can assess the severity and location of any blockages. This information is critical for determining the appropriate treatment options for a patient, which may include medication, angioplasty, or bypass surgery. Thus, coronary angiography plays an essential role in the management of cardiovascular health, focusing on the condition of the coronary arteries specifically.