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8 Cards in this Set
- Front
- Back
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State where the "Normal and Dominant pacemaker cells" are located in the heart.
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In the sinoatrial node
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Abnormal waves and spikes in an ECG that result from sources other than the electrical activity of the heart and interfere with or distort the components of an ECG are called______ .
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Artifact
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What is the meaning of the abbreviation "AV"
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Atrioventricular
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What part of the brain are the nerve centers that control the heart located in?
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Medulla Oblongata
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You are treating 41 year old male complaining of the chest pain. His regular heart rate is 92 beats/minute, upright P waves, and narrow QRS complexes. What cardiac rhythm does your patient have?
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Normal Sinus Rhythm
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What is the rate of impulses generated by the atrioventricular node?
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40-60 impulses/minute
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State at least 2 causes of artifact that could be seen on an ECG.
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Muscle tremor, alterating current (AC), interference, loose electrodes, interference related to biotelemetry ( for example low battery power.) andd/or external chest compressions.
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What is the rate of impulses generated by the bundle branches and/or Purkinie network of the heart?
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30-40 impulses/minute
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