1.1 Safety Function
• First point of the bulleted list (green dot)
• Second point of the bulleted list (green dot)
• Self-test function
• On-line check of batteries charge level, signaling exhaustion both of the main and of the backup battery
• continuing stimulation during battery replacement
• keyboard lock preventing accidental parameters modification
• two-step switching off preventing accidental deactivation of the device
• anti-runaway protection preventing stimulation rate to go out of control
• protection against defibrillator discharge
• protection against electrostatic discharge
• protection against electromagnetic interferences
• continuous check of electrical connections, of load impedance and of stimulating current
• potentially dangerous situations trigger alarms to the user by means of acoustic signals and
corresponding warnings on the display
1.2 Main Operation features
• Single chamber modes: atrial AAI, AAT, A00; ventricular VVI, VVT, V00
• Dual chamber modes: DDD, DDI, D00, VDD, DAI, DVI, VAT
• Pacing and sensing LEDs, showing that electric signals are being sent (pace) or received (sense) by the
device
• Low battery messages warning that the main battery has to be replaced
• Low battery messages warning that the back-up battery has to be replaced
External cardiac stimulator dual-chamber 1797 Information for safety and performance
Stimolatore cardiaco esterno bicamerale 1797 Informazioni per la sicurezza e le prestazioni
Cod. [52509016]IU9A Via Costoli, 4 – 50039 – Vicchio
(Florence, Italy) – www.fiab.it Pag. 2/18
• Upper display dedicated to setting stimulation parameters: amplitude and rate visualized and easily
selectable turning the corresponding knobs
• Quick menu for selecting or changing the stimulation mode
• Lower display dedicated to supplementary menus and messages
• Screenshots of the lower display to regulate additional parameters like sensitivity and the rate dependent
parameters, PVARP and AVD
• Manual or automatic selection of PVARP and AVD
• Alarm/alert messages visualized on the lower display
• LOCK/UNLOCK keyboard button, preventing accidental modifications of the parameters
• PAUSE button suspending stimulation and visualizing the patient intrinsic heart rhythm
• EMERGENCY button shifting to asynchronous dual chamber stimulation (V00) in emergencies
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