7.6
Characteristics for BT-503 (Battery)
Item
Description
Type
Lithium Manganese Dioxide (LiMnO2)
Output Voltage
12 VDC 4.2Ah
Disposal
Abide by regional/national regulations
Shelf life
4 years from date of manufacture
(can be reduced by temperature condition)
7.7
FFT ECG Analysis
FFT ECG Analysis algorithm analyzes patient’s ECG efficiently and accurately to
decide whether to deliver shocks to the patient and meets below requirements
•
Shockable Rhythm-VF: IEC 60601-2-4, AHA’s recommend: >90%
•
Shockable Rhythm-VT: IEC 60601-2-4, AHA’s recommend: >75%
•
Non-shockable—Rhythm-NSR: IEC 60601-2-4, AHA’s recommend: >99%
•
Non-shockable-Asystole: IEC 60601-2-4, AHA’s recommend: >95%
•
Non-shockable-all other rhythms: IEC 60601-2-4, AHA’s recommend: >95%
Rhythms
Standard advised
by AAMI
Minimum Test
Sample Size
Test
Sample
Shock
Decision
No Shock
Decision
Performance
Coarse VF
>90% sensitivity
200
209
203
6
97.13%
Fast VT
>75% sensitivity
50
122
100
22
81.97%%
NSR
>99% specificity
100
108
0
108
100.00%
AF, SB, SVT, heart
block, idioven-
tricular PVC’s
>95% specificity
30
231
0
231
100.00%
Asystole
>95% specificity
100
144
6
138
95.83%
