Symptoms. Symptoms of heart palpitations may include a passing sensation of a pounding, rapid, fluttering, or skipped heartbeat. These sensations are usually felt in the chest but may also be felt in the neck and/or the throat.
Below are some of the possible illnesses and medical conditions that may cause pain under the rib cage. 1  Liver damage-Liver damage or infections and inflammation of the liver can cause pain under right rib cage. 2  Hepatitis is a resulting inflammation of the liver. 3  Hepatitis is caused by alcoholism and viral infections.
Costochondritis,also known as chest wall pain, is the inflammation or swelling of the muscles of the rib cage which connects ribs to the breastbone.It can cause pain below the right rib cage.this pain similar to the pain of heart attack.so costochondritis can be mistaken as cardiovascular disease.The common symptoms are pain while coughing,fatigue ,fever,fatigue, fever and difficulty in breathing.