iRhythm Zio AT, Справочное руководство, Страница: 16 / 23

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POWER CHARACTERISTICS
Patch Battery Type 2 Lithium Manganese Dioxide Coin
Cells
Gateway Battery Type 1 Lithium Polymer Cell
Battery Life Continuous
Service Life 14 days
PHYSICAL CHARACTERISTICS
Patch Dimensions 5 .2 x 2 .0 x 0 .5 inches
Patch Weight 24 .7 g
Gateway Dimensions 6 .2 x 3 .4 x 0 .8 inches
Gateway Weight 158 g
ENVIRONMENTAL CHARACTERISTICS
Operational Temperature 41 to 104 degrees
Operational Altitude -1,000 to 10,000 ft
Operational & Storage Humidity 10% to 95% (non-condensing)
Shipping (Short-term Storage) -4 to 104 degrees F
Temperature
Long-term Storage Temperature 55 to 85 degrees F
Storage Altitude -1,000 to 14,000 ft
Patch IP Classification IP24
Gateway IP Classification IP22
ESSENTIAL PERFORMANCE
The Zio AT device records and transmits ECG for analysis after receipt of
data . In the event it cannot record or transmit in a timely fashion, the Zio AT
alerts the patient that functionality is impaired .
HEART RATE CALCULATIONS
Episode Heart Rates
Max
The maximum episode heart rate (i.e., maximum
of all instantaneous heart rates within the episode)
Min
The minimum episode heart rate (i.e., minimum of
all instantaneous heart rates within the episode)
Avg
The average episode heart rate (i.e., average of all
instantaneous heart rates within the episode)
Overall Rhythm Heart
Rates
Max
The maximum overall heart rate (i.e., maximum of
all rhythm episode maximum heart rates within
the record)
Min
The minimum overall heart rate (i.e., minimum of
all rhythm episode minimum heart rates exclusive
of Pause heart rates within the record)
Avg
The average overall heart rate (i.e., duration-
weighted average of all rhythm episode heart
rates within the record)
PAUSE DETERMINATION
Pause is defi ned as an RR interval greater than 3 seconds .