You may be trying to do your body a favor by taking probiotics, but heart palpitations that develop from taking the supplement may do your health more harm than good.

Progesterone is a female hormone that plays a role in reproduction. The level of this hormone declines with age, which can cause symptoms. If your symptoms are severe your physician may prescribe medications that mimic the actions of progesterone.

Heart failure is a chronic and serious condition. However, with the right treatment you can lead a full and active life. An important part of your care is keeping track of your symptoms. If you are in stage three of heart failure you need to monitor your symptoms carefully.

A wide array of factors can trigger heart palpitations, a sensation that the heart is racing, pounding or even missing a beat. Causes may include anxiety, fear, stress, anemia, some medications and street drugs, hyperthyroidism, fever and heart valve disease.

Creatine is an organic substance in the body that is synthesized in the liver and kidney from essential amino acids. It is then transported through the blood to the muscles. According to MayoClinic.com, about 95 percent of the body's store of creatine is located in the skeletal muscles.

Heart failure refers to the condition of your heart when it does not pump as well as it should, according to the American Heart Association. Because your cells and tissues cannot get enough blood, many everyday activities become difficult.

One of the main functions of the heart and blood vessels is to supply the body with oxygenated, nutrient-rich blood. The ability of the heart to pump blood out to the body, called cardiac output or stroke volume, is determined by three characteristics, according to the University of Virginia School of Medicine.

Heart palpitations have a variety of causes, including nutritional deficiencies, stress, heart disease, high blood pressure and allergic reactions, among others. Bananas are a good source of potassium, a primary electrolyte in your body essential for normal heart contraction and rhythm.

The Centers for Disease Control and Prevention report that 670,000 people are diagnosed with heart failure each year. Left-sided heart failure occurs when the left side of the heart becomes unable to pump blood effectively to the rest of the body.

With congestive heart failure, or CHF, the heart has to work harder and is less efficient at delivering oxygen to the body. Blood can build up in different parts of the body, causing fluid accumulation in the lungs, arms, legs and gastrointestinal tract.

Heart palpitations during an allergic reaction may indicate the onset of a life-threatening condition called anaphylaxis. Anaphylactic allergy symptoms can occur following contact with certain foods, drugs, insects and plant products, such as latex.

The heart is a muscular organ that is extraordinarily sensitive to disturbances in electrolyte balance. This is because electrolytes are required to maintain the electrical activity of the heart.