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Table 1 Inclusion/exclusion criteria for both groups

From: The dynamic pattern of end-tidal carbon dioxide during cardiopulmonary resuscitation: difference between asphyxial cardiac arrest and ventricular fibrillation/pulseless ventricular tachycardia cardiac arrest

Inclusion criteria:

VF/VT group

Asphyxia group

Initial rhythm

VF/VT

Asystole or PEA

Age

>18 years

>18 years

Core temperature

>30°C

>30°C

Measurement of PetCO2 values

Every minute in the first 10 minutes after intubation

Every minute in the first 10 minutes after intubation

Aetiology

Confirmed acute myocardial infarction and/or primary VF/VT (electrocardiogram, enzymes, electrophysiological studies)

Confirmed asphyxial cause (acute asthma attack, severe acute respiratory failure, tumor of the airway, suicide by hanging, acute intoxication, aspiration, foreign body in the airway)

Exclusion criteria:

  

CPR procedures

Successful defibrillation in the first cycle

VF or pulseless VT as the initial rhythm on the monitor

Aetiology

Acute myocardial infarction with asystole or PEA as the initial rhythm (autopsy or additional investigations in the hospital)

Acute myocardial infarction as a cause of arrest (autopsy or additional investigations in the hospital)