What makes a heartbeat?

Answer The heart is a muscle that is controlled by an electrical impulse, which makes it work. The "lub dub" sound you hear is the blood pumping through the parts of the heart at different times.The heart... Read More »

Top Q&A For: What makes a heartbeat

If you are three weeks pregnant with twins but the doctor saw only one heartbeat on the ultrasound and your hcg was 3045 will the other baby develop a heartbeat eventually?

Answer Three weeks pregnant is a week before you miss a period so it is impossible to know it is twins. If you are three weeks after conception, (5 weeks pregnant)it is still early to see a heart... Read More »

What is a heartbeat?

Heartbeats are expansions and contractions of the heart muscle that feed blood into the circulatory system and ultimately provide the oxygen supply for the entire body. Each heartbeat is controlled... Read More »

What is a heartbeat sensor?

The term heartbeat sensor can refer to two things. Also called a heart rate monitor, a heartbeat sensor measures the heart rate of a person either while engaging in physical exercise or while being... Read More »

What causes a racing heartbeat?

When you are at rest, your heart should beat between 60 and 80 times per minute. A rapid heartbeat--a heartbeat that is faster than 60 to 80 times per minute--can be caused by many things and is no... Read More »