Ruben D Abreu M.D.

Recommended Articles

• What You Need to Know About Coronary Heart Disease (CHD)

  What is CHD?Coronary heart disease (CHD) is the disease that develops when there is an insufficient oxygen supply to the heart muscle by the coronary arteries. The most common reason for this is atherosclerosis of the coronary arteries with cholesterol plaques formation and narrowing of the arterial...

• What Is Nicotine?

  IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

• 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...

• Can Sleep Apnea Cause an Irregular Heartbeat?

  There are numerous people who complain about waking up with a fast-beating heart. While some think this isn’t anything to worry about, there are studies that link waking up with an irregular heartbeat to sleep apnea. Sleep apnea is a very common sleeping disorder that is very alarming. In fact,...

• How Do High Cholesterol Levels Affect the Heart?

  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...

• What Are The Risks For Atrial Fibrillation Surgery?

  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...