Fig 1.
Illustration of ECG, arterial blood pressure (ABP) and acceleration (ACC) signals recorded during cardiopulmonary resuscitation and segments extracted for pulseless electrical activity and perfusing rhythm discrimination.
Fig 2.
Spontaneous pulse detection based on cross-correlation function between ECG and acceleration (ACC) signals.
Fig 3.
The relationship between peak correlation coefficient (CCp) of cross-correlation function and mean arterial pressure (MAP).
* and o represent pulseless electrical activity and perfusing rhythm respectively.
Table 1.
A comparison of mean arterial pressure (MAP), peak correlation coefficient (CCp) and heart rate (HR) between segments of pulseless electrical activity (PEA) and perfusing rhythm (PR) during chest compression pauses.
Table 2.
Performance of mean arterial pressure (MAP), peak correlation coefficient (CCp) and heart rate (HR) for spontaneous pulse detection using testing set (31 perfusing rhythm and 79 pulseless electrical activity).