Fluke-biomedical MPS450 User Manual download pdf (Page 49)

Cardiac Functions

Arrhythmia Functions 2

2-17

gje018.eps

3. Scroll to the LCD screen for the desired PVC simulation: PVCs 6/MIN; PVCs

12/MIN; or PVCs 24/MIN.

4. Select RUN. The PVCs-per-minute waveform runs continuously (repeats) until

another arrhythmia selection is made.

Alternatively, in the Numeric-Control Mode, press the number keys for a PVCs-per-

minute waveform according to Table 2-11, and select RUN:

Table 2-11. Numeric Codes for PVCs-Per-Minute Settings

PVCs-Per-Minute Setting Numeric Code

PVCs 6/MIN 021

PVCs 12/MIN 022

PVCs 24/MIN 023

Frequent Multifocal PVCS

A sequence that includes a left-focus PVC followed by normal beats, alternating with a

right-focus PVC followed by normal beats.

Frequent multifocal PVCs are initiated by a number of different ectopic pacemakers in

the ventricles, with events occurring at least five times per minute, and usually more

often.

The MPS450 simulates a continuous, repeating waveform that alternates between a

type-1 (left-focus) PVC followed by three normal beats, and a type-2 (right-focus) PVC

followed by three normal beats.

Action in the Menu-Control Mode

1. Press the top-menu key labeled ARRHY.

2. Select VENT.

3. Scroll to the LCD screen FREQ MULTIFOCAL.

4. Select RUN. The frequent-multifocal-PVC waveform runs continuously (repeats)

until another arrhythmia selection is made.

Alternatively, in the Numeric-Control Mode, press the number keys 024, and select

RUN.

Bigeminy and Trigeminy

Two sequences: a PVC followed by a normal beat, or a PVC followed by two normal

beats.

Bigeminy—also called a fixed coupling or bigeminal rhythm—is a type of PVC in which

a beat with a normal QRS complex alternates with a PVC; in other words, every other

beat is premature. In trigeminy, which is similar to bigeminy, a PVC appears after every

two normal QRS complexes.

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Fluke-biomedical MPS450 User Manual Page 49