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Terminology 315 ECG Interpretation #315


Part 1

Regardless of rhythm category, morphology of waveforms and pattern of occurrence are important aspects to include in an accurate interpretation.


Unifocal – abnormal complexes are of the same shape
ventricular ecg image 101


Multifocal – abnormal complexes are of two or more different shapes. This indicates the impulse causing the PVC’s are coming from different locations.
ventricular ecg image 102


Bigeminy – abnormal complexes occur every second complex
ventricular ecg image


Trigeminy– abnormal complexes occur every third complex
ventricular ecg image 2

Part 2

Regardless of rhythm category, morphology of waveforms and pattern of occurrence are important aspects to include in an accurate interpretation.


Quadrigeminy– abnormal complexes occur every fourth complex
ventricular ecg image 3


Couplet – Two PVC’s together
ventricular ecg image 4


Run of Ventricular Tachycardia
(V Tach) – Three or more PVC’s in a row at a rate of 100 bpm or greater. Also known as Triplet PVC’s or Salvo PVC’s
ventricular ecg image 5




Authors and Sources

Authors and Reviewers


Sources




? v:3 | onAr:0 | onPs:2 | tLb:0 | pv:1
uStat: False | db:0 | cc: | tar: False
| cDbLookup # 0



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