Tachycardia refers to a fast resting heart rate, usually over 100 beats per minute. Tachycardia can be dangerous, depending on its underlying cause and on how hard the heart has to work. Some people with tachycardia may have no symptoms or complications. However, tachycardia significantly increases the risk of stroke, sudden cardiac arrest, and death.… Read More »
Coronary heart disease refers to a narrowing of the coronary arteries, the blood vessels that supply oxygen and blood to the heart. It is also known as coronary artery disease. It is a major cause of illness and death. Coronary heart disease (CHD) normally happens when cholesterol accumulates on the artery walls, creating plaques. The… Read More »
Disclaimer Medical Dictionary is for informational purposes and should not be considered medical advice, diagnosis or treatment recommendation. Read more