Veins between two capillary networks are portal systems ... In amniotes, the heart overgrows its pericardial space and doubles up on itself to form a loop that swings to the right side of the ...

It consists of three symptoms that often occur together: hypotension (low blood pressure), jugular vein distention (swollen ... This fluid build-up is called pericardial effusion.

A pericardial knock can be present in patients with constrictive pericarditis as the early filling of the left ventricle is limited from the constrictive process. This pericardial knock occurs ...

Potential complications of pulmonary vein ablation include: pulmonary vein stenosis, systemic embolization, pericardial effusion and tamponade, and phrenic nerve palsy. [3] The use of hybrid ...