The heart is inefficient (it doesn’t squeeze out enough blood), and obstruction in the heart cavity leads to murmurs that can worsen with exercise, make you breathless, and create electrical ...

Discover how your sleep position can impact heart health and simple adjustments to promote better cardiovascular function.

With inspiration, there is a net decrease in intrathoracic pressures as the thoracic cavity volume expands; this allows blood to easily flow into the right heart. Conversely, left heart filling ...