EKG Exam 2

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Author:
Pandora320
ID:
262286
Filename:
EKG Exam 2
Updated:
2014-04-16 14:28:11
Tags:
EKG
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Description:
More rhythms, more concepts
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  1. Ventricular Escape Rhythm/Idioventricular Rhythm
    • Rate is < 40
    • Rhythm is regular
    • No P-waves, no PRI
    • QRS > 0.2
  2. Accelerated Idioventricular Rhythm
    • Rate 40-60
    • Rhythm is regular
    • No P-waves, no PRI
    • QRS > 0.2
  3. Paroxysmal Atrial/Junctional Tachycardia
    • (event)
    • Periods of very rapid/reg beats
    • Begin and end abruptly
    • Rate > 150-200
  4. V-Tach Fusion Beat
    A fusion beat occurs when a sinus beat falls on a spot that allows some innervation of the ventricle to occur through the normal ventricular conduction system.
  5. V-Tach Capture Beat
    Occur in the middle of V-Tach
  6. Torsades de Pointes
    • 200-250 bpm
    • low potassium
    • long QT interval
    • Type of V-tach
  7. Atrial Flutter
    • Atrial rate 250-350
    • Ventricular rate 60+
    • Rhythm is regular or irregular
    • P-waves saw tooth
    • QRS normal
  8. Atrial Fibrillation
    • Atrial rate > 350
    • Ventricular rate varies
    • Rhythm is irregularly irregular
    • P-waves not discernable
    • QRS normal
  9. Ventricular Fibrillation
    • Rate can't be determined
    • Rhythm chaotic
    • No P-waves
  10. Asystole
    Flat line
  11. Wolff-Parkinson-White
    Delta wave on QRS from the Bundle of Kent
  12. 1° AV Block
    • Rate < 60
    • P:QRS 1:1
    • PRI > 0.2 seconds consistently
    • QRS normal
    • (can be normal sinus rhythm, just long PRI)
  13. 2° AV Block Type 1
    • (2° Mobitz I -Wenckebach)
    • Rate < 60
    • Rhythm is irregular
    • PRI lengthens until QRS drops, comes from AV node
    • Doesn't march out
  14. 2° AV Block Type 2
    • (2° Mobitz II)
    • Rate < 60
    • Rhythm is regular
    • P waves w/o QRS complexes, P waves march out, unlike a PAC
    • PRI consistent except when QRS is dropped
    • (Sinus rhythm w/ dropped QRS)
  15. 3° AV Block
    • Rate < 60
    • P-P regular, R-R regular
    • More P waves than QRS complexes because atrial rate is 60-100, ventricular rate is 40-60
    • P waves and QRS complexes march separately
  16. Ventricular Standstill
    no QRS complexes, only P waves
  17. Pacemaker - Single Chamber
    1 lead in atrium or ventricle
  18. Pacemaker - Dual Chamber
    lead in atrium and lead in ventricle
  19. Pacemaker - Biventricular
    • Coronary Sinus and Right Ventricle
    • (possibly also atrium)
    • left and right ventricles paced independently
  20. Pacemaker leads can:
    • sense and pace
    • see a P, throw a QRS
    • pace both, set PRI
    • motion sensors/movement increases, rate increases
  21. P hidden in T
    • Blocked PAC
    • Wenckebach
    • 3° AV Block

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