The Electrocardiogram (ECG)

Cards (10)

what is an electrocardiogram?
a trace that indirectly measures the electrical activity of the heart, as the cardiac muscle contracts
it is measured by wearing several electrodes to measure tiny electrical differences in your skin at various parts of the body
label the diagram
A) atrial depolarising
B) septum depolarises
C) ventricular depolarisisng
D) ventricular repolarising
E) tachycardia
F) bradycardia
G) arrhythmia
what is a tachycardia?
an unusually fast heart rate over 100bpm
what is a bradycardia?
an unusually slow heart rate below 60bpm
what is an arrythmia?
an irregular heart beat
what is fibrillation?
abnormal and uncoordinated contraction of the heart
what is defibrilation?
the stopping of uncoordinated contraction
what does an ST elevation mean?
heart attack
what is an ectopic heartbeat?
extra heart beat out of the normal rhythm
what is a myocardial infarction?
heart attack