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Chapter 1
PRODUCT
The ZOLL PD 1400 Pacemaker/Defibrillator combines a patented noninvasive
DESCRIPTION
temporary pacemaker, a DC defibrillator, a non-fade monitor, and an annotating
strip chart recorder in an integral, self-contained instrument. The PD 1400 is
lightweight, compact, and can be transported with a patient. Power is provided by
an easily replaceable battery pack. The battery pack can be quickly recharged and
tested, using the ZOLL Battery Support System.
PACEMAKER
Noninvasive Temporary Pacing (NTP) is an established and proven technique.
FUNCTION
This therapy is safe and is easily and rapidly applied in both emergency and
non-emergency situations when temporary cardiac stimulation is indicated.
The ZOLL PD 1400 Pacemaker/Defibrillator contains a demand pacemaker
consisting of a pulse generator and ECG sensing circuitry. The output current of
the pacemaker is continuously variable up to 140 mA and the rate is continuously
variable from 30 to 180 pulses per minute (ppm).
The pacing output pulse is delivered to the heart by specially designed ZOLL NTP
pacing electrodes or ZOLL multi-function electrodes placed on the back and the
precordium. Only ZOLL NTP or ZOLL multi-function electrodes should be con-
nected to this instrument.
The characteristics of the output pulse, together with the design and placement of
the electrodes, minimize cutaneous nerve stimulation, lower cardiac stimulation
thresholds, and reduce discomfort due to skeletal muscle contraction.
The unique design of the ZOLL PD 1400 allows clear viewing and interpretation of
the electrocardiogram (ECG) on the monitor during external pacing, without offset
or distortion.
Proper operation of the PD 1400, together with correct electrode placement is
critical to obtaining the optimum results. The operator must be thoroughly familiar
with these operating instructions.
Intended Use
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Pacemaker
This product may be used for cardiac pacing for any purpose in conscious or
unconscious patients for up to a few hours duration as an alternative to endocardial
stimulation. The purposes of pacing include:
1. Resuscitation from standstill or bradycardia of any etiology-
Noninvasive pacing has been used for resuscitation from standstill or temporary
acceleration of bradycardia in Stokes-Adams disease, sick-sinus syndrome,
reflex vagal standstill and drug-induced standstill (due to procainamide, quini-
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