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23 Cards in this Set

  • Front
  • Back

Criteria for atrial rhythms

-marching upright Ps, atrial rate >160 at rest OR


- no Ps at all; wavy or sawtooth baseline between QRSs present instead OR


- P waves of > or equal to 3 different shapes OR


- premature abnormal P wave (with or without QRS) interrupting another rhythm OR


- heart rate > or equal to 130, rhythm regular, P waves not discernible (May be present but not sure) WAP

Wandering Atrial Pacemaker (WAP)/ Multifocal Atrial Tachycardia (MAT)

-WAP and MAT are rhythms that occur when the peacemaking impulses originate from at least 3 different foci in the atria


- each focus produces its own unique P wave, resulting in a rhythm with at least 3 different shapes of P waves


- WAP is slow


-MAT is fast


- they’re the same rhythm just with different heart rates

WAP rate

Mean rate <100, usually 50-60

MAT rate

Mean rate >100

WAP/MAT regularity

Irregular

WAP/MAT P waves

- at least 3 different shapes


- some beats have no P at all

WAP/MAT P waves

- at least 3 different shapes


- some beats have no P at all

WAP/MAT PR

PR varies

WAP/MAT P waves

- at least 3 different shapes


- some beats have no P at all

WAP/MAT PR

PR varies

WAP/MAT QRS

<1.12

WAP cause

- MI


- Med side effects


-hypoxia


-vagal stimulation

WAP cause

- MI


- Med side effects


-hypoxia


-vagal stimulation

MAT cause

- COPD


- heart disease

WAP adverse effects

Usually none

WAP adverse effects

Usually none

MAT adverse effects

DCO

WAP adverse effects

Usually none

MAT adverse effects

DCO

WAP treatment

Usually none

WAP adverse effects

Usually none

MAT adverse effects

DCO

WAP treatment

Usually none