The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the ...

The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the ...

The electrical impulse travels through the atrium and reaches the atrioventricular node (AV node), which is the normal connection to the ventricles, the bottom chambers of the heart that pump blood to ...

The S1 heart sound is two of your heart valves closing. It's the first sound doctors can hear with a stethoscope. Learn what ...

Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs, where the blood releases waste gases and picks up oxygen. The newly oxygen-rich ...

Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs, where the blood releases waste gases and picks up oxygen. The newly oxygen-rich ...

As has happened with you, not everyone with A-fib develops symptoms. Symptoms can include a fast and irregular pulse, a fluttery sensation in the chest, general fatigue, unusual fatigue when ...

It opens into the right atrium in posteromedial fashion, just above and medial to the orifice of the inferior caval vein. The orifice of the coronary sinus is guarded by the Thebesian valve, which ...