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BUMC Basics.pdf - Anesthesia Home

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46<br />

Multi Focal atrial tachycardia — RR interval variable<br />

making rhythm irregular looking. There will be at least 3<br />

morphologically different p waves with rate greater than 100.<br />

Favors V-tachycardia on EKG — 1) AV dissociation. 2) if<br />

QRS >0.16. 3) Fusion/capture beats 4) Concordance (all R<br />

waves positive or negative). 5) Hx of structural heart dz. 6)<br />

RBBB in V1 7) look for negative in V6 8) NW axis-extreme right<br />

axis deviation (neg in I and aVF)

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