ECGIntro

ECGIntro - Introduction to ECGs EMS Professions Temple...

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1 Introduction to ECGs EMS Professions Temple College
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2 Components of the ECG Complex Components & Their Representation P, Q , R, S, T Waves PR Interval QRS Interval ST Segment
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3 Components of the ECG Complex P Wave first upward deflection represents atrial depolarization usually 0.10 seconds or less usually followed by QRS complex
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4 Components of the ECG Complex QRS Complex Composition of 3 Waves represents ventricular depolarization much variability usually < 0.12 sec
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5 Components of the ECG Complex Q Wave first negative deflection after P wave depolarization of septum not always seen
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6 Components of the ECG Complex R Wave first positive deflection following P or Q waves subsequent positive deflections are R’, R”, etc
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7 Components of the ECG Complex S Wave Negative deflection following R wave subsequent negative deflections are S’, S”, etc may be part of QS complex absent R wave in aberrant conduction
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This note was uploaded on 11/13/2010 for the course EMS 432 taught by Professor Johnson during the Spring '10 term at NMT.

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ECGIntro - Introduction to ECGs EMS Professions Temple...

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