Heart failure

 Heart failure (HF), also known as cardiovascular disease (CHF), is a disorder defined as a collection of signs and symptoms caused by a breakdown in the heart's blood pumping feature. Discomfort, extreme fatigue, and leg swelling are common symptoms. Shortness of breath can occur during exercise or while lying down, and it can wake people up during the night.  Chest pain, including angina, is rarely caused by heart failure, but it can happen if the heart failure was caused by a heart attack.  The severity of symptoms during exercise is used to determine the severity of heart failure. [8] Obesity, kidney failure, liver disease, anemia, and thyroid disease are all conditions that can cause symptoms similar to heart failure.