Which of the following terms refers to swelling of the lower extremities seen in many cardiac patients?

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Pedal edema refers to swelling of the feet and ankles, which is commonly seen in patients with congestive heart failure. Presacral swelling and crackles are also associated with heart failure, but they do not specifically refer to swelling of the lower extremities. Congestive heart failure is a broader term that encompasses a range of symptoms and conditions related to the heart's ability to pump blood effectively.

Which of the Following Terms Refers to Swelling of the Lower