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 ...

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 ...

AMI: Acute myocardial infarction; CT: Cardiac tamponade ... streaming of contrast through an exit hole of larger than 1 mm 3-cavity spilling Perforation into an anatomic cavity chamber, such ...