2013 Pediatric Subspecialty Boot Camp_Dysrhythmias
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Transcript of 2013 Pediatric Subspecialty Boot Camp_Dysrhythmias
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Pediatrics
DysrhythmiasDysrhythmiasFellow Boot Camp 2013Fellow Boot Camp 2013
Aarti Bavare, MD. MPHAarti Bavare, MD. MPHPediatric Critical Care
Texas Children’s Hospital and Baylor College of Medicine
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ObjectivesObjectives
• Approach to critical dysrhythmias
• Review normal conduction system
• Review common pediatric dysrhythmias
• Management of critical dysrhythmias
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How do you approach an EKG?How do you approach an EKG?
• Rate: Atrial, ventricular
• Rhythm
• Axis
• Waves: P wave, QRS complex, T wave
• Intervals: PR, ST, QT
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But… what if you see this on the But… what if you see this on the monitor??monitor??
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Approach to dysrhythmiasApproach to dysrhythmias
• Pulse? conscious?
• Narrow or wide?
• P wave?
• Regular or Irregular?
• Slow or fast?
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Normal conduction systemNormal conduction system
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Mechanism of dysrhythmiasMechanism of dysrhythmias
• Reentry
• Automaticity
• Triggered activity
• Delay and blocks
Tachycardia
Bradycardia
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Classification
Tachycardia Bradycardia
Supraventricular Ventricular
Atrial:-Reentry: Flutter, Fib-Ectopic: PAC, AET Junctional
-Reentry: SVT-Ectopic: JET
- Reentry: V fib- Ectopic: PVC,
VT
SAN AVN
- Sinus brady- Sick sinus
- 1st degree block- 2nd degree block:Mobitz 1 or 2- 3rd degree block
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Atrial dysrhythmiasAtrial dysrhythmiasA Flutter A Fib
PAC AET
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Junctional dysrhythmias Junctional dysrhythmias
SVT
JET
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Ventricular dysrhythmias Ventricular dysrhythmias
PVCs
V Tach
V Fib
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BradycardiasBradycardias
1st degree block
2nd degree block
3rd degree block
Mobitz 1
Mobitz 2
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ManagementManagement
• CAB
• PALS
• After stabilization Investigate cause
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PALS pulseless arrestPALS pulseless arrest
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PALS tachycardia with pulsePALS tachycardia with pulse
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PALS Bradycardia with pulsePALS Bradycardia with pulse
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QuestionsQuestions
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