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2. Electrocardiography - Wikipedia

   en.wikipedia.org/wiki/Electrocardiography

   The limb electrodes can be far down on the limbs or close to the hips/shoulders as long as they are placed symmetrically. [30] Placement of American-color-coded ECG electrodes (using a 5-electrode yoke) Placement of European-color-coded ECG electrodes (using a 10-electrode yoke) Placement of the precordial electrodes

3. Transcutaneous pacing - Wikipedia

   en.wikipedia.org/wiki/Transcutaneous_pacing

   The pads are then attached to a monitor/defibrillator, a heart rate is selected, and current (measured in milliamps) is increased until electrical capture (characterized by a wide QRS complex with tall, broad T wave on the ECG) is obtained, with a corresponding pulse. Pacing artifact on the ECG and severe muscle twitching may make this ...

4. Cardioversion - Wikipedia

   en.wikipedia.org/wiki/Cardioversion

   To perform synchronized electrical cardioversion, two electrode pads are used (or, alternatively, the traditional hand-held "paddles"), each comprising a metallic plate which is faced with a saline based conductive gel. The pads are placed on the chest of the patient, or one is placed on the chest and one on the back.

5. Defibrillation - Wikipedia

   en.wikipedia.org/wiki/Defibrillation

   There is a general division of opinion over which type of electrode is superior in hospital settings; the American Heart Association favors neither, and all modern manual defibrillators used in hospitals allow for swift switching between self-adhesive pads and traditional paddles. Each type of electrode has its merits and demerits.

6. Holter monitor - Wikipedia

   en.wikipedia.org/wiki/Holter_monitor

   Each Holter system has hardware (called monitor or recorder) for recording the signal, and software for review and analysis of the record. There may be a "patient button" on the front that the patient can press at specific instants such as feeling/being sick, going to bed, taking pills, marking an event of symptoms which is then documented in the symptoms diary, etc.; this records a mark that ...

7. Pacemaker - Wikipedia

   en.wikipedia.org/wiki/Pacemaker

   The pacemaker generator is a hermetically sealed device containing a power source, usually a lithium battery, a sensing amplifier which processes the electrical manifestation of naturally occurring heart beats as sensed by the heart electrodes, the computer logic for the pacemaker and the output circuitry which delivers the pacing impulse to ...