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Pediatric EKG Differences
Jul 19th, 2010 by RH-111
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I came across this great article focusing on ECG differences seen with pediatric patients. This is quite important to really know as something as simple as a normal PR interval for an adult could signify a AV block in a child.

Electrocardiogram (ECG) interpretation usually is taught in courses that focus on adults. For those who work in pediatrics, identifying appropriate parameters for infants and children is important. This article focuses on the differences between an adult and child’s ECG, differences in common arrhythmias (also called dysrhythmias), and unique treatment approaches to arrhythmias in children.

See complete article here: http://findarticles.com/p/articles/mi_m0FSZ/is_3_27/ai_n18612073/

 

This chart sums some of it up:

Table 2. Rate and Intervals Based on Age

Age                HR       PR interval   QRS interval

1 - 3 weeks     100 - 180    .07 - .14     .03 - .07
1 - 6 months    100 - 185    .07 - .16     .03 - .07
6 - 12 months   100 - 170    .08 - .16     .03 - .08
1 - 3 years     90 - 150     .09 - .16     .03 - .08
3 - 5 years     70 - 140     .09 - .16     .03 - .08
5 - 8 years     65 - 130     .09 - .16     .03 - .08
8 - 12 years    60 - 110     .09 - .16     .03 - .09
12 - 16 years   60 - 100     .09 - .18     .03 - .09

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Dopamine Drips
Apr 30th, 2010 by RH-111
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Dopamine and other useful Paramedic Drips

My quick and easy way….

400mg in a 250ml bag yields:

  • 1600µg per ml
  • 26.6µg per gtt (60 gtt set)

So if you need to calculate a drip for a 70kg patient you could do this:

70kg x 5µg (example dose) = 350µg/min . 350/26.6 = 13.15 gtts/min

Works for me…. but some prefer the regular dopamine clock so i have included that below

The clock method

Drug Preparation Rate

Amiodarone (3mg/cc) 150mg in 50cc NS

  • 0.5mg/min=10gtts/min

Dopamine (800µg/cc) 200mg in 250cc NS

  • 200mcg/min=15gtts/min
  • 400mcg/min=30gtts/min
  • 600mcg/min=45gtts/min
  • 800mcg/min=60gtts/min

Dopamine (1600µg/cc) 400mg in 250cc NS

  • 400mcg/min=15gtts/min
  • 800mcg/min=30gtts/min
  • 1200mcg/min=45gtts/min
  • 1600mcg/min=60gtts/min

Epinephrine (4mcg/cc) 1mg in 250cc NS

  • 2mcg/min=30gtts/min

Lidocaine (4mg/cc) 1G in 250cc NS

  • 1mg/min=15gtts/min
  • 2mg/min=30gtts/min
  • 3mg/min=45gtts/min
  • 4mg/min=60gtts/min

Procainamide (20mg/cc) 1G in a 50cc NS

  • 20mg/min=60gtts/min
  • 30mg/min=90gtts/min

Procainamide (4mg/cc) 1G in 250cc NS

  • 1mg/min=15gtts/min
  • 2mg/min=30gtts/min
  • 3mg/min=45gtts/min
  • 4mg/min=60gtts/min
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