Final answer:
Edema is the term for the accumulation of tissue fluid or swelling. It is caused by factors such as water leakage from blood capillaries, medical conditions, certain drugs, pregnancy, injury, or allergic reactions. Treatment involves addressing the underlying cause.
Step-by-step explanation:
Edema is the term for the accumulation of tissue fluid or swelling. It occurs when there is an excess amount of water in the tissues, most commonly in the soft tissues of the extremities. Edema is caused by factors such as water leakage from blood capillaries, medical conditions, certain drugs, pregnancy, injury, or allergic reactions.
One way to check for subcutaneous edema is by pressing a finger into the suspected area. If the depression persists for several seconds after the finger is removed (known as 'pitting'), it indicates the presence of edema. Treatment for edema involves addressing the underlying cause.