ch 12 ectopy
TRANSCRIPT
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The ECG Course
Adam Thompson, EMT-‐P, BAS
Chapter 12 Ectopy & Aberrancy
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Premature Complexes
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Premature Atrial Contraction
• Rate: Determine underlined rate • Rhythm: Irregular • P wave: Present, may be different w/ PAC • P:QRS raJo: 1 to 1 • PR-‐interval: Normal, may vary w/ PAC • QRS Width: < 120 ms (0.12 sec)
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Premature Junctional Contraction
• Rate: Determine underlying rhythm • Rhythm: Irregular • P wave: none, antegrade, or retrograde • P:QRS raJo: 1:1 or retrograde • PR-‐interval: None, short, or retrograde • QRS Width: < 120 ms (0.12 sec)
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Premature Ventricular Contraction
• Rate: Determine underlying rhythm • Rhythm: Irregular • P wave: None with PVC • P:QRS raJo: None • PR-‐interval: None • QRS Width: > 120 ms (0.12 sec) WIDE
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Ectopy
Terms to remember
• Bigeminy -‐ Every other beat
• Trigeminy – Every third beat
• Quadrigeminy – Every fourth beat
• Mul:focal – Different shapes (morphologies)
• Unifocal – Same shape (morphology)
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Ectopy
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Ectopy
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Ectopy
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Ectopy
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Ectopy
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Escape Beats
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Junctional Escape Beat
• Rate: Determine underlying rhythm • Rhythm: Irregular • P wave: none, antegrade, or retrograde • P:QRS raJo: 1:1 or retrograde • PR-‐interval: None, short, or retrograde • QRS Width: < 120 ms (0.12 sec)
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Ventricular Escape Beat
• Rate: Determine underlying rhythm • Rhythm: Irregular • P wave: None with PVC • P:QRS raJo: None • PR-‐interval: None • QRS Width: > 120 ms (0.12 sec) WIDE
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Aberrancy
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Aberrency
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Ectopy & Aberrancy
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Ectopy & Aberrancy
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Ectopy & Aberrancy
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Ectopy & Aberrancy