Technical Problems: Difference between revisions

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==artifacts==
==artifacts==
<gallery perRow="3">
<gallery perRow="3">
Image:Noise_move.png| Movement artifacts
Image:Noise_move.png|Movement artifacts
Image:ECG_Parkinson.png| Increasing movement artifacts in a Parkinson patient. The patient was in sinus rhythm! (which doesn't show on this short recording)
Image:ECG_Parkinson.png|Increasing movement artifacts in a Parkinson patient. The patient was in sinus rhythm! (which doesn't show on this short recording)
Image:BaselineDrift.png| Baseline drift. The amplifier in the ECG machine has to re-find the 'mean'. This often occurs right after lead connection and after electric cardioversion.
Image:BaselineDrift.png|Baseline drift. The amplifier in the ECG machine has to re-find the 'mean'. This often occurs right after lead connection and after electric cardioversion.
Image:cardioversion_from_afib.jpg| Cardioversion from atrial fibrillation to sinus rhythm, with clear baseline drift.
Image:cardioversion_from_afib.jpg|Cardioversion from atrial fibrillation to sinus rhythm, with clear baseline drift.
Image:electric_noise_ecg.png| Electrical interference from a nearby electrical appliance. A typical example is a 100 Hz background distortion from fluorescent lights. Not to be confused with [[Atrial_Fibrillation|atrial fibrillation]].
Image:electric_noise_ecg.png|Electrical interference from a nearby electrical appliance. A typical example is a 100 Hz background distortion from fluorescent lights. Not to be confused with [[Atrial_Fibrillation|atrial fibrillation]].
Image:electric_noise_ecg2.jpg| Another example of an artefact caused by an electrical appliance. The patients rhythm is regular. This strip shows 10 QRS complexes.
Image:electric_noise_ecg2.jpg|Another example of an artefact caused by an electrical appliance. The patients rhythm is regular. This strip shows 10 QRS complexes.
</gallery>
</gallery>


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