Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

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 ...

Learn How the Heart Works. 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 ...

THE pulmonary circulation is of paramount importance in failure of the heart. The presence of dyspnea, orthopnea and hemoptysis and a diminution in vital capacity imply a profound change in the ...

Group 2: Pulmonary hypertension due to left heart disease. Elevated pressures in the pulmonary circulation are due to left-sided heart diseases such as heart failure or valvular diseases. 3.

Pulmonary circulation takes place between the heart and the lungs The pulmonary circuit transports blood to the lungs. The blood is oxygenated there and then carried back to the heart.

Management of patients with heart failure guided by a pulmonary artery sensor exceeded performance goals and was linked to improved quality of life and functional capacity compared with historical ...

Heart attack (blocked blood flow to the heart that causes heart muscle to die) Pulmonary embolism (blocked blood flow to the lungs that causes lung tissue to die which can cause shortness of breath or ...

In the present case, as well as in 2 of the cases reported by Luke et al., 3 the clinical and radiographic findings were consistent with pulmonary edema in addition to the obvious heart failure.