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Proportion of out-of-hospital adult non-traumatic cardiac or respiratory arrest among calls for seizure
  1. Fabrice Dami1,2,
  2. Andrea O Rossetti3,
  3. Vincent Fuchs2,
  4. Bertrand Yersin1,
  5. Olivier Hugli1
  1. 1Emergency Department, University Hospital Center, Lausanne, Vaud, Switzerland
  2. 2Emergency Medical Services Dispatch Center, Lausanne, Vaud, Switzerland
  3. 3Neurology Department, University Hospital Center, Lausanne, Vaud, Switzerland
  1. Correspondence to Dr Fabrice Dami, Emergency Department, University Hospital Center, Bugnon 46, Lausanne, Vaud 1011, Switzerland; fabrice.dami{at}


Objectives To measure the proportion of adult non-traumatic cardiac or respiratory arrest among calls for seizure to an emergency medical dispatch centre and to record whether known epileptic patients present cardiac or respiratory arrest together with seizure.

Methods This 2-year prospective observational investigation involved the collection of tape recordings of all incoming calls to the emergency medical dispatch centre, in which an out-of-hospital non-traumatic seizure was the chief complaint in patients >18 years, in addition to the paramedics' records of all patients who presented with respiratory or cardiac arrest. The authors also recorded whether the bystander spontaneously mentioned to the dispatcher that the victim was known to have epilepsy.

Results During the 24-month period, the call centre received 561 incoming calls for an out-of-hospital non-traumatic seizure in an adult. Twelve cases were classified as cardiac or respiratory arrest by paramedics. In one case, the caller spontaneously mentioned that the victim had a history of epilepsy. The proportion of cardiac or respiratory arrest among calls for seizure was 2.1%.

Conclusion Although these cases are rare, dispatchers should closely monitor seizure patients with the help of bystanders to exclude an out-of-hospital cardiac or respiratory arrest, in which case the dispatcher can offer telephone cardiopulmonary resuscitation advice until the paramedics arrive. Whenever the activity of the centre allows it and no new incoming call is on hold, this can be achieved by staying on the line with the caller or by calling back. A history of epilepsy should not modify the type of monitoring performed by the dispatcher as those patients may also have an arrest together with seizure.

  • Emergency ambulance systems
  • emergency care systems
  • primary care
  • systems
  • efficiency
  • despatch

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  • Competing interests FD, the main investigator, is employed part-time as the EMS Medical Director and part-time as senior physician at the Emergency Department of the University Hospital of Lausanne (CHUV).

  • Ethics approval All the data were obtained from a specific call aggregate database of the EMS which does not contain any identifying information. This kind of observational study, without any intervention, does not require approval from our Ethics Board.

  • Provenance and peer review Not commissioned; externally peer reviewed.