Women are more likely to have pulmonary arterial hypertension, but men tend to have worse outcomes and worse treatment responses.

It goes into the right atrium, through the tricuspid valve and into the right ventricle. The ventricle pumps the blood through the semilunar valve, into the pulmonary artery and to the lungs.

The normal connection between the right atrium and the right ventricle is ... blood to then flow through the defect into the pulmonary artery to become oxygenated.

The degree of acceptable pulmonary hypertension, the need for concomitant atrial antiarrhythmia ... origin of the circumflex coronary artery from the right coronary sinus, have been known to ...

The vessels that feed the heart are called coronary arteries (shown in the diagram right) and they branch off from the body’s main artery, the aorta ... to treat an irregular heart beat known as ...

Sustained tachycardia, such as unrecognized and uncontrolled atrial fibrillation ... the compensated right heart generates elevated pulmonary artery and wedge pressures that may result in dyspnea ...

The atria (plural of atrium) are where the blood collects ... the left ventricle and another where the pulmonary artery leaves the right ventricle. Blood vessels leading into and out of the ...