ventricular tachycardia in pediatrics. definition: tachycardia of at least 3 successive ventricular...
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Ventricular Tachycardia in Pediatrics
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Definition: tachycardia of at least 3 successive ventricular beats.
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Terminology
• Non-sustained: rhythm lasts <30 seconds and terminates spontaneously
• Sustained: lasts >30 seconds and usually requires therapeutic intervention
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Ventricular Tachycardia
• Most commonly seen in kids with abnormal hearts.
• Many asymptomatic• Symptoms you can see: pallor, fatigue, and
chest palpitations.• In infants, VT often manifests as feeding
intolerance.
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Ventricular Tachycardia
• Better prognosis in kids that have a healthy heart.
• Causative factors (outside of an underlying cardiac disease): drugs, caffeine, decongestants, and electrolyte imbalances.
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ECG• Wide QRS complex (>120 msec)• Tachycardia (usually has a regular rhythm)• P-waves may or may not be recognizable,
depending on ventricular rate. • T-waves typically opposite in polarization to
the QRS• QRS complex may vary in appearance if
ectopic input is multifocal.
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