Please choose the correct ending to complete the given sentence: Health: [header] How to treat an enlarged heart [title] Recognize the causes. [step] There are many diseases that can cause an enlarged heart. These include heart valve or heart muscle disease, arrhythmia, weakening of the heart muscle, fluid around your heart, high blood pressure, and pulmonary hypertension.

Ending1: It can be important to learn the cause and types of your enlarged heart to be sure you know what type of doctor you might need to look for. [substeps] Heart valve osteoporosis of the heart can lead to enlarged heart valves. Ending2: You can also develop an enlarged heart after thyroid disease or chronic anemia. It can also be due to a build up of excess iron or abnormal proteins in your heart. Ending3: Consult with your doctor about in detail treatment options for your enlarged heart. [substeps] Artery crisis is also an common cause of an enlarged heart. Ending4: In very rare cases, an enlarged heart may be caused by malnutrition or too much heavy exercise. If you believe you have an enlarged heart, research indicates that open abdominal or abdominal pain may be the cause.

Answer format: ending1/ending2/ending3/ending4