Heart Vocabulary

1. Occurs when coronary arteries become blocked, causing pain to radiate down the left side and arm.

1. Insertion of a balloon into the coronary arteries to stretch and widen them.

1. The valve at the left ventricle exit that prevents backflow while the ventricles are refilling.

A condition where plaque deposited inside arteries is blocking them.

Valves that prevent backflow when the ventricles are pumping blood out.

Nerves that we have no control over.

1. The location of concentrated nervous-muscular tissue where the message for the ventricles to contract is relayed from.

The force exerted by the blood on artery walls.

1. The bundle of nerves spreading the impulse from the AV node out to the Purkinje fibres.

1. The reinforcing of the AV valves preventing valve inversion during atrio-ventricular contraction.