EKG6012
47
①
RR: RR-interval
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
3.5 Interpretations judgment based on parameters
No.
Item
Rule of interpretation
1
No abnormal
No any abnormal are detected
2
Sinus mode Bradycardia
Sinus P-wave, PR-interval between
110ms-210ms, HR
≤
*/min, general *=50
3
Sinus mode Tachycardia
Sinus P-wave, PR-interval between
110ms-210ms, HR
≥
*/min, general *=100
4
Left atrium Hypertrophy
P-wave of leads I, II, aVL shall meet the
conditions: width increase of P-wave≥110ms, or
P-wave displays in double-peak type, value of
peak to peak ≥40ms
5
Right atrium Hypertrophy
For leads I, II, aVF, amplitude of P-wave
≥0.25mV, or P-wave is sharp
6
Dual atrium Hypertrophy
For leads I, II, aVF, amplitude of P-wave
≥0.25mV and P-wave duration >110ms
7
QRS low voltage
Voltage of I-aVF limb leads
＜
0.5mV,
and voltage of V1-V6 chest leads
＜
0.8mV
8
Cardiac electric axis normal
QRS-axis between 30 to 90 degree
9
Left axis deviation
QRS-axis between -90 to-30 degree
10
Right axis deviation
QRS-axis between 120 to 180 degree
11
Completeness Right Bundle
branch block
QRS-duration>120ms, R-wave of lead V1
or aVR is wide (width of R-wave>80ms)
12
Completeness Left Bundle branch
block
QRS-duration>120ms, R-wave of lead V5
or V6 is wide
13
No Completeness Right Bundle
branch block
QRS-duration<120ms, R-wave of lead V1
or aVR is wide (width of R-wave>80ms)
14
No Completeness Left Bundle
branch block
QRS-duration<120ms, R-wave of lead V15 or
V6 is wide (width of R-wave>80ms)
Summary of Contents for EKG6012
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