EKG HEART BLOCKS

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Author:
alicia0309
ID:
307050
Filename:
EKG HEART BLOCKS
Updated:
2015-08-30 16:30:39
Tags:
ekg heart blocks
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Description:
heart blocks
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  1. classical 2nd degree heart block
    • Rhythm reg
    • rate usually brady
    • PRI > 0.20 and is constant for conducted beats.
    • 2 or more P-Waves for every QRS
  2. hallmark for Classical 2nd degree
    PRI is constant for conducted beats and that there is 2 or ore P-Waves for every QRS complex
  3. Interventions for Classical 2nd Degree Heart Block
    • observe pt close for S/S of low cardiac output
    • usually symptomatic
    • encourage rest, limit visitors decrease activity
    • have crash cart and external pacemaker near room
    • ATROPINE 0.5 - 1mg at bedside (if severely brady)
  4. 3rd degree heart block
    • rhythm is regular
    • rate dependent upon the escaped rhythm. if junctional¬† rate will be 40-60, if ventricular escape rate will be 20-40
    • P-Waves are not associated with QRS complexes
    • MEDICAL EMERGENCY!!
  5. Hallmark 3rd degree heart block
    • there is no constant PRI
    • P-Waves and QRS complexes are regular but there is no relationship between the two
  6. interventions for 3rd degree heart block
    • Atropine 0.5-1mg at bedside
    • Assess freq.¬†¬† notify Physician
    • admin O2
    • light activity with strict bedrest
    • Crash Cart and external defib must be near the pt (pacer pads on standby)
    • education
  7. in care of 3rd degree they will need
    • a pacemaker, so you need to make sure temp external is on standby in case it is needed
    • NO relationship between P-wave and QRS!!
    • Asycronized pacing!! (set pacemaker to fire constantly regardless of underlying rhythm.

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