clinical material
Pvc - ANS✔✔ Occurs earlier than next expected beat & is usually followed by compensatory
pause
Rate - ANS✔✔ Underlying rhythm
Regularity - ANS✔✔ Irreg when pvc occurs
P wave - ANS✔✔ No relation to pvc; usually hidden in pvc
PR - ANS✔✔ That of underlying rhythm; not associated w pvc
RR - ANS✔✔ Unequal
Qrs - ANS✔✔ Wide(>.12)
QRS of pvc is followed by - ANS✔✔ An abnorm elevated/depressed st seg & a large t wave
T wave - ANS✔✔ Discordant(opposite direction of qrs)
Unifocal PVC - ANS✔✔ Og in same ectopic site & are identical
Multifocal PVC - ANS✔✔ OG in 2+ ectopic sites; not identical