William L Madrid M.D.

What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

What is costochondritis?Costochondritis is the term for inflammation of cartilage junctions that hold the ribs and sternum or breastbone. The condition is related to chest pain that can affect anyone in the age group of 10-21 years old. Although the pain can often occur, it still remains a mystery...

How Do High Cholesterol Levels Affect the Heart?Cholesterol is not that bad for our body – it has several important functions and is needed in moderate amounts. This compound is required to make new cells in the body, protect neurons, and also produce hormones. But when the amount of cholesterol...

Blood flows continuously through blood vessels and supplies nutrients and oxygen to different parts of the body. At the site of an injury, a blood clot prevents excess bleeding. Under normal conditions, blood clots are lifesaving. When the clot is formed as a part of normal repair process in the...

Atrial Fibrillation: What is the Maze Procedure?Atrial fibrillation is known as one of the most dangerous conditions of the heart. The infection can easily lead to stroke if you are not careful. It causes abnormal vibrations in the heart chambers, especially the atria. It alters the electrical...

Mourning the death of a loved one will increase the risk of heart attack in the days immediately following the death of the loved one. The risk is elevated in the month that follows the loss, according to a new study. According to the researchers, this is the first study to see whether grieving can...