Heart Terms Flashcards
Artificial pacemaker
a medical device that generates electrical pules
Atrial fibrillation
a type of arrhythmia or abnormal heartbeat, caused” by fast and Irregular beats.
Autonomic nervous system
a component of the peripheral nervous system that regulates involuntary physilogic processes including heart rate and blood rate
AV node
a small structure in the heart, located in the koch triongle near the coronary sinus on the interatrial septom.
Bradycardia
a slower than normal heart rate.
Bundle branches
A port of the electrical system of the heart.
Bunde of His
an elongated segment connecting the Ar node and the left and right bundle branches of the sepal crest.
Ectopic focus
an excitable group of cells that causes a premature heart beat colside the normally funcitioning sa Node of the heart.
Electrocardiogram
Records the electrical signal from the heart
te
check for different heart conditions.
Normal sinus rhythm
The rhythm of a neathy heart.
Purkinje fibers
a major role in electrical conduction and propogation of impulse to the ventricciar muscle.
sinoatrial node
an electrical signal that couse the upper heart chambers
to contract.
Tachycardia
a heart rode over 100 beats a minute,
ventricular fibrillation
type of arrthymia or irregular heartbeat, that affects your heart ventricles,
