John W Kelley MD

Recommended Articles

• How Atrial Fibrillation Is Diagnosed

  Atrial fibrillation (AFib) is a condition that disrupts the heart's functions, specifically the heart rate or rhythm. Symptoms can be intermittent, persistent, or permanent in nature, and in some instances they disappear on their own, while other forms require medication to restore normal heart...

• Your Risk of a Heart Attack Increases While Grieving

  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...

• What is Atrial Fibrillation?

  Atrial fibrillation refers to irregular heart rhythm with rapid heartbeat that affect the blood flow in the body.  In this condition, the irregular heartbeat starts in the upper chambers of the heart, the atria. The irregularity in the heart beat results from the problem in the electrical system of...

• The Human Heart: Function, Chambers, and Location

  IntroductionThe human heart is a part of the cardiovascular system that is situated in the middle of the chest between the lungs. Its exact location is slightly positioned to the left and behind the sternum (breastbone). The size of the heart is approximately the size of your fist. Its function...

• Treat Gum Disease for Healthier Blood Vessels

  Intensive treatment of gum diseases may help blood vessels and gums, reports a study published in, The New England Journal of Medicine. The study was conducted on 120 people who had severe gum disease, or peridontitis. In this condition, the gum line recedes and teeth loosens as the support is...

• Angina Pectoris: What are the Symptoms, Causes, and Treatment?

  Angina pectoris is a symptom of a coronary artery disease which causes chest pain due to less blood flow to the heart muscle. Angina pectoris is also known as angina, and this problem can be a recurring issue or a sudden acute issue. Angina pectoris can be defined as pressure, stiffness, tightness...