1. THE EFFECT OF TEMPERATURE AND HEAT WAVES ON DAILY EMERGENCY AMBULANCE CALLS IN BUDAPEST, HUNGARY, 1998-2004 J Bobvos *, A Páldy **, A Vámos *, L Gorove *** * - Capital Institute of the National Public Health Service, Budapest ** - “Fodor József” National Center for Public Health, National Institute of Environmental Health, Budapest *** - Budapest Centre of Ambulance Service

2. Daily emergency ambulance calls were studied:Daily emergency ambulance calls were studied: cardiovascular diseases: a sum of the following diagnoses: ICD-9: 386, 394-438, 458, heat stroke 992;cardiovascular diseases: a sum of the following diagnoses: ICD-9: 386, 394-438, 458, heat stroke 992; respiratory diseases: ICD-9490-519;respiratory diseases: ICD-9 490-519; ill defined symptoms: 780, 781, 784- 786;.ill defined symptoms: 780, 781, 784- 786;.

3. During the studied periodDuring the studied period 474 507 emergency calls were registered, out of them474 507 emergency calls were registered, out of them 18,5% were due to cardiovascular diseases,18,5% were due to cardiovascular diseases, 3,7%- due to respiratory diseases,3,7%- due to respiratory diseases, 9,36% due to ill defined symptoms.9,36% due to ill defined symptoms.

4. Percentage of calls due to different groups of diseases in Budapest, 1998-2004

5. Number of calls due to cardiovascular, respiratory diseases and ill defined symptoms by age groups in Budapest, 1998-2004

6. Effect of Temp on emergency calls

7. Effect of 10 o C increase of daily mean temperature on the increase emergency calls in percentage in Budapest 1998-2004 due to cardiovascular diseases

8. Effect of 10 o C increase of daily mean temperature on the increase emergency calls in percentage in Budapest 1998-2004 due to respiratory diseases

9. Effect of 10 o C increase of daily mean temperature on the increase emergency calls in percentage in Budapest 1998-2004 due to ill defined symptoms