ECGs Flashcards
1
Q
What does the p wave signify?
A
atrial depolarisation
2
Q
where on an ECG do the atria contract?
A
between the p wave and QRS.
3
Q
what does the t wave signify?
A
ventricular depolarisation.
4
Q
what causes the first and second heart sounds?
A
HS 1- tricuspid and bicuspid valves closing
HS 2- aortic and pulmonary valves close
