Gima ECG90A Manuel D'utilisation page 53

7
P/QRS/T electric
8
9
10
① RR: RR-interval
Note:
② Qs: beginning of the Q-wave
③ Ps: beginning of the P-wave
④ Pe: end of the P-wave
⑤ Se: end of the S-wave
⑥ Ts: beginning of the T-wave
⑦ Te: end of the T-wave
⑧ PI: 3.1415926
QTc
Electric axis formula:
arctan(2.0
⑧
P electric axis:
S : voltage sum from the beginning point to the end
III
point of P-wave on lead III
S : voltage sum from the beginning point to the end
I
point of P-wave on lead I
axis QRS electric axis:
S : voltage sum from the beginning point to the end
III
point of QRS-complex on lead III
S : voltage sum from the beginning point to the end
I
point of QRS-complex on lead I
T electric axis:
S : voltage sum from the beginning point to the end
III
point of T-wave on lead III
S : voltage sum from the beginning point to the end
I
point of T-wave on lead I
R(V5)
S(V1)
QT
RR
(S
× +
III
PI
Height (voltage value) of R-wave on lead V5
Height (voltage value) of S-wave on lead V1
47

S ), S ) 3
× ×
I I
180