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The HeartView P12/8 is a 12/8-lead Transtelephonic electrocardiographic recorder and transmitter which is intended to be used to record and transmit a patient's electrocardiogram (ECG) via the telephone to a diagnostic/emergency center. The HeartView P 12/8 can record either an eight lead or a twelve lead electrocardiogram, and has been designed so that the patient can attach the electrodes him/herself.

The HeartView P12/8 is a 12/8-lead Transtelephonic electrocardiographic recorder and transmitter which is intended to be used to record and transmit a patient's electrocardiogram (ECG) via the telephone to a diagnostic/emergency center. It is a modification to the Aerotel HeartView event recorder, K950004. For the original HeartView, the patient had 10 standard disposable electrodes attached to his chest by a physician, and the unit always recorded and over and electrocardiogram. The HeartView P 12/8 can record either an eight lead or a 12 clead electrocardiogram, and has been designed so that the patient can attach the electredes him/le rself. To record an 8-lead electrocardiogram, three standard disposable electrodes are attached to the patient's chest, and in addition the patient places the recorder in a specific place on his chest and makes recordings using "button" electrodes embedded in the case. To record a 12-lead electrocardiogram, the disposable electrodes are in the same locations but the patient makes three recordings using the embedded "button" electrodes, each with the recorder in a different location on the chest (also explained later). The system is designed so that the patient can attach the electrodes and place the embedded electrodes him/herself with the recorder in the proper locations. Clinical tests have been done which show that the electrocardiograms produced when the patient attaches the electrodes and manipulates the recorder are of the same quality as in the original HeartView, K950004, in which disposable electrodes are attached by the physician. Heart View P12/8 has internal memory, which enables it to record and store the ECG of a cardiac event when the Record Transmit button is pressed. The stored ECG can then be transmitted to the center by telephone at a later time. Transmitting the ECG does not erase it, so that an inadvertent or faulty transmission does not affect the recording. The system is designed so that the patient can record an episode on the recorder and then transmit it in a simple, non-confusing way.

The H400 is a battery powered 3-lead Transtelephonic ECG Transmitter which is intended to be used by the patient to transmit via the telephone a patient's electrocardiogram (ECG) to a receiving center such a Aerotel's Heartline 3000 (FDA # K930314) or equivalent. The device is not intended to be used for long-term monitoring or when the patient is not capable of actuating the device or the telephone.

The H400 is a battery powered 3-lead Transtelephonic ECG Transmitter which is intended to be used by the patient to transmit via the telephone a patient's electrocardiogram (ECG) to a receiving center such a Aerotel's Heartline 3000 (FDA # K930314) or equivalent. The Heart 400 transmits each of leads I, II, III as selected by the patient. Patient connection is done by means of electrodes and a patient cable. The electrodes are attached by the physician. To transmit the electrocardiogram, the telephone handset transmitter is placed over the device and the On/Off button of the H400 is released. At the receiving center, the ECG will be edited and recorded.

The Telelink is a battery powered device intended to be used by the physician in his office, for the transfer of an ECG signal received over the telephone from a compatible transmitter, to a conventional single trace ECG recorder in the physician's office . The patient has no contact with the Telelink, and it does not affect him in any way.

The Telelink is a battery powered ECG telephone receiving interface that is capable of transferring the transtelephonic ECG, received over the telephone, to a conventional single trace ECG recorder. The Telelink is a battery powered interface which is intended to be used by a physician or an ECG technician to convert an ECG signal received via the telephone to an analog ECG signal recordable on the physician's conventional single trace ECG recorder. The Telelink has two connections; one of these is connected to the telephone's handset via an acoustic coupler (included) which is placed on the speaker of the handset; the other connection is attached to the single-trace ECG recorder in the physician's office via the recorder's patient cable by using only 3 wires of the patient cable. After activating the recorder, all received ECG leads from the telephone, will be routed to the recorder will print them out, one after the other, in the sequence in which they have been transmitted.