Fits — seizures

  • Most seizures are brief and do not require drug treatment
  • People with known epilepsy should have management plan in file notes

Red Flags — Urgent Medical Consult
  • Person still drowsy 2 hours after fit has stopped
  • First fit
  • Baby or child
  • Pregnant or recently given birth
  • Need more than 1 dose of midazolam to control fit
  • Having a lot of fits or not waking up between them
  • Fit only affects 1 part of the body (focal or partial — 1 arm or 1 side)
  • Other significant sickness at the same time
  • Temperature 38.5°C or more 30 minutes after fit
  • Taking anticoagulants — warfarin, dabigatran
  • Possibility of overdose/poisoning
  • Recent head injury or fall
  • You are worried for any other reason — irregular pulse, rash, meningism

Ask

  • How long has the person been fitting
  • Whether they have had a fit before
  • What happened before the fit
  • What happened during the fit — could there be other injuries

Check

  • DRS ABC
  • Calculate age-appropriate REWS
    • Adult — AVPU, RR, O2 sats, pulse, BP, Temp
    • Child (less than 13 years) — AVPU, respiratory distress, RR, O2 sats, pulse, central capillary refill time, Temp
  • Weight, BGL
  • Coma scale
  • Head-to-toe exam with attention to

Do

  • Put in recovery position — Figure 2.14. Protect them from hurting themselves
  • If pregnant — use wedge under hip to tilt to left side — see Fits in the second half of pregnancy
  • If breathing obstructed or noisy — put in nasopharyngeal or oropharyngeal airway
    • If they spit out airway or gag — leave in recovery position — Figure 2.14
  • Give oxygen to target O2 sats 94–98% OR if moderate/severe COPD — 88–92%

Figure 2.14  

Unconscious person positioned on side with lower arm at 90 degrees to body, upper leg bent.

  • Put in IV cannula or intraosseous needle
  • If known epileptic — blood for serum drug levels. Note time of last dose on pathology form
  • Check BGL and serum sodium level if available
  • Prepare midazolam for 2 doses — Table 2.9
  • Follow Flowchart 2.5
  • Monitor closely at clinic for at least 4 hours after fit has stopped or as per patients management plan

Flowchart 2.5   Managing fits

Managing fits (with clocks) .svg

Table 2.9   Midazolam doses

Cheek or nose
0.3mg/kg/dose

IM
0.15mg/kg/dose

IV/Intraosseous
0.15mg/kg/dose

Use undiluted 5mg/mL

Use undiluted 5mg/mL

Mix 1mL of 5mg/mL with 4mL normal saline to make 1mg/mL

Age Weight Dose (mLs)
Dose (mLs)

Dose (mg = mL)

Diluted (see below)

Under 3 months 2kg

0.12mL

0.06mL

0.3mg
3.3kg

0.2mL

0.1mL

0.5mg
3 months 6.2kg

0.4mL

0.2mL

0.93mg
6 months 7.6kg

0.5mL

0.25mL

1.14mg
1 year 9kg

0.54mL

0.3mL

1.35mg
2 years 12kg

0.7mL

0.35mL

1.8mg
3 years 14kg

0.8mL

0.4mL

2.1mg
4 years 16kg

1mL

0.5mL

2.4mg
6 years 20kg

1.2mL

0.6mL

3mg
8 years 25kg

1.5mL

0.75mL

3.75mg
10 years 32kg

1.9mL

1mL

4.8mg
12 years + 33kg or more

2mL

1mL

5mg

Giving medicines

Midazolam

  • Be ready to manage airwaymidazolam depresses breathing

Buccal (cheek)

  • Use undiluted liquid midazolam in syringe without needle
  • Put end of syringe between cheek and teeth, on side closest to ground
  • Give slowly until fitting stops or total dose given

Nasal (nose) with atomiser

  • Check nostril is clear
  • Use undiluted liquid midazolam in syringe without needle
  • Connect atomiser to syringe — Figure 2.15, put tip into nostril — Figure 2.16
  • Apply reasonable pressure on syringe plunger to deliver medicine as fine mist-like spray

Figure 2.15   

Fit atomiser to tip of syringe containing midazolam.

Figure 2.16   

Steady person's head with other hand as atomised inserted into nostril.

IM

  • Use undiluted liquid midazolam
  • Full effect takes 5–10 minutes

IV/Intraosseous

  • Mix 1mL ampoule midazolam (5mg) with 4mL normal saline to make 1mg/mL
  • Give dose slowly over 2 minutes
    • Giving too fast may cause respiratory depression (breathing to slow or stop)

Levetiracetam 

  • Give levetiracetam IV — adult 40mg/kg/dose, child 40mg/kg/dose up to 3gdoses — over 5 minutes
  • Mix measured dose with 100mL normal saline or glucose 5%

Valproate

  • Do not use if child under 2 years or child with metabolic disease
  • Can cause severe sedation or low BP
  • Give valproate IV/intraosseous — adult 800mg, child 20mg/kg/dose up to 800mgdoses — over 15 minutes
  • Mix with solvent provided to give 95mg/mL — 400mg + 4mL
  • May also need ongoing infusion — medical consult
    • Adult 1–2mg/kg/hour up to 2.5g/day, child 1.6mg/kg/hour up to 2.5mg/day — doses

Ongoing care in clinic

Ask 

  • Ask people who saw fit exactly what happened
  • If person usually takes medicine for fits — have any doses been missed
  • Has person deliberately taken an overdose of medicine or child taken someone else's tablets — what kind, how much, when
  • For females — are they pregnant or did they give birth in the last 3 weeks
  • Has person been drinking a lot of alcohol or sniffing petrol recently
  • Has person been unwell recently — infection, electrolyte disturbances
  • Has person had a head injury recently
  • How much sleep has the person had
  • Other medical history, usual medicines and allergies

Check

  • Calculate age-appropriate REWS
    • Adult — AVPU, RR, O2 sats, pulse, BP, Temp
    • Child (less than 13 years) — AVPU, respiratory distress, RR, O2 sats, pulse, central capillary refill time, Temp
  • Weight, BGL
  • ECG
  • If person goes home
    • Someone responsible must stay with them all the time for next 12 hours
    • Make sure carers know how to keep person safe and put them in recovery position — Figure 2.14 if they have another fit
  • Talk with person about their medicines — are they taking them correctly
  • Talk with person and their family or carer about things they shouldn't do — driving, swimming, sleeping too near the fire

Follow-up

Medical follow-up for people with known epilepsy or first fit