Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and contracts) 100,000 times per ...

The human heart, a fist-sized muscle, tirelessly beats billions of times throughout life, powering every cell by delivering oxygen and removing waste. Its rate varies significantly from birth to old ...

Thump, thump. The pounding rhythm is synonymous with the beat of life itself - the sound of a person's heartbeat. This remarkable organ is a marvel of nature, working nonstop day after day, month ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Dr. Paul Friedman answers the question: 'Heart Block versus Artery Blockage?' — -- Question: I have been diagnosed with heart block. How does this differ from blockage in one of my arteries?

Ventricular tachycardia, or V-tach (VT), and supraventricular tachycardia (SVT) are two types of tachycardia. The term “tachycardia” refers to a heart rate of more than 100 beats per minute. The key ...

Rowing machines and treadmills do not challenge your cardiovascular system in the same way, so what is the science behind it? When you purchase through links on our site, we may earn an affiliate ...

PORTLAND Ore. (KPTV) - To look at Chris Wenger, she is the picture of health, at age 67, though she does have a strong family history of heart disease, but by just about every metric, she is healthy.