John P. Dervan MD

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...

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...

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...

DASH, or Dietary Approaches to Stop Hypertension, is a flexible eating plan developed by experts to lower blood pressure. Although the diet was developed for people with hypertension, it was found to be effective in losing weight, and also in reducing diabetes, metabolic syndrome, and other health...

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 Are The Risks For Atrial Fibrillation Surgery?Atrial fibrillation or A – Fib is an infection that causes abnormal heartbeat rhythms. As a result of this, the heart beating is not normal. Due to this abnormal heart beat, arrhythmia’s (Fast or Slow heartbeat) may develop. The most affected...