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ecg 2 (calibration (amplitude (1小: 0.1 mV), duration (1小: 0.04 s)), r (1st…
ecg 2 (
calibration,
r (
1st +ve deflat (to apex)),
t (
ven depolar),
s (
1st -ve deflat after r (lat wall of l ven)),
p (
atrial depolar),
q (
1st -ve deflat (r <- l septum)),
qt (
0.44s (11 小)),
st (
J pt to start of T (plateau: isoelectric)),
pr (
0.12s-0.20s (3-5 小)),
rr (
normal sinus rhythm),
)