EKG

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Author:
strawberrymacarons
ID:
101565
Filename:
EKG
Updated:
2011-09-14 14:24:32
Tags:
EKG
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Description:
EKG
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  1. Abnormal looking P wave
    P: QRS relationship 1:1
    P wave of different shape than sinus P wave & PRI may vary from sinus P wave
    Premature Atrial Contraction
  2. HR: 160-250
    P:QRS relationship 1:1 (however difficult/impossible to differentiate)
    Regular rhythm
    Onset and termination occur suddenly
    May cause palpatations and lightheadedness
    • Paroxysmal atrial tachycardia
    • Paroxysmal supraventricular tachycardia
  3. PRI - unable to determine because you don't know which flutter wave is conducted to the ventricle
    P waves may have sawtooth configuration
    Atrial flutter
  4. PRI - n/a
    Rhythm - irregular
    Irregular baseline
    Irregularly irregular
    Recognizable QRS (unlike Vfib)
    Atrial fibrillation
  5. Ventricular rate: 40-60 (60-100 is accelerated junction rhythm)
    P waves may precede, be hidden in or follow QRS; if visible they're always altered

    Regular rhythm
    Junctional rhythm
  6. QRS complexes of uniform shape but premature
    P waves irregular with premature beat - it may precede, be hidden in, or follow QRS
    Shortened PRi (<0.12)
    Premature junctional contractions
  7. What is the ventricular tachycardia rate?
    150-250
  8. Beat occurs premature
    QRS complex wide & distorted. (>.10)
    Rhythm irregular due to premature beat
    Premature ventricular contraction
  9. PRi prolonged >0.20 secs

    what block is it?
    1st degree block
  10. QRS becomes progressively longer til it is dropped
    After dropped beat PRI is shorter
    Vrate is irregular
    Atrial rate is regular
    Second degree heart block (Wenckebach) type 1
  11. Atrial rate regular
    Vent rate slow
    No relationship b/w P waves and QRS complexes
    No constant PRI
    QRS interval may
    be normal or wide.
    3rd degree block

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