Your heart has four chambers, each with a valve that allows blood to exit. Healthy valves open wide to let blood move freely through the heart and body. They then shut tightly until the next ...

that divides the upper chambers of the heart, known as the atria. This opening allows oxygen-rich blood from the left atrium to mix with oxygen-poor blood in the right atrium, forcing the heart to ...

What condition does Emma Willis have and how common is a 'hole in your heart'? The warning signs revealed - It is a condition ...

During expiration, the intrathoracic pressures increase as the thoracic cavity volume decreases; this results in less right heart filling and augments filling of the left heart chambers.

Right heart catheterization will show increased right ... The diastolic pressures are elevated and equal since every cardiac chamber pressure influences the other, considering the heart is not ...