Circulatory system keywords Flashcards
Systole
of contraction of the ventricles of the heart that occurs between the first and second heart sounds of the cardiac cycle
Bradycardia
Slow heart rate <60
Tachycardia
Fast heart rate >100
Arrhythmia
Abnormal heart rhythm
Atrial/ventricular fibrillation
Type of arrhythmia
Myocarditis
inflammation of the heart muscle, called the myocardium
Myocyte
Cardiac muscle cells
SAN
Sinoatrial node
AVN
a specialized cluster of muscle fibers located in the right atrium of the heart, responsible for generating electrical impulses that regulate the heart’s rhythm
Bundle of His
A bundle of specialized fibers that transmit the electrical impulse from the AV node to the ventricles
Purkinje fibres
Polarised
Depolarised
Diastole
Erythrocytes
Red blood cells