vitabel.analysis.cpr.compressions

Analysis of chest compressions: periods of continuous chest compressions (from single compression events or from the accelerometer signal of CPR feedback sensors), and the chest compression fraction.

Attributes

logger

Functions

cc_periods_from_compressions(...)	Determine periods of continuous chest compressions based on single
cc_periods_from_acceleration(...)	Detect periods of continuous chest compressions from the accelerometer
convert_two_alternating_list(df)
CCF_minute(t_start, t_stop, CC_starts, CC_stops)

Module Contents

vitabel.analysis.cpr.compressions.logger

vitabel.analysis.cpr.compressions.cc_periods_from_compressions(cc_events_channel: vitabel.timeseries.Channel) → vitabel.timeseries.IntervalLabel

Determine periods of continuous chest compressions based on single chest compression events.

Parameters:

cc_events_channel

The channel containing single chest compression events, such that every time point in the time index represents a chest compression.

Returns:

An (unattached) interval label cc_periods.

See also

The method is described in [OKA+22], or in the PhD thesis [Ker24] of Wolfgang Kern in more detail.

vitabel.analysis.cpr.compressions.cc_periods_from_acceleration(accelerometer_channel: vitabel.timeseries.Channel) → vitabel.timeseries.IntervalLabel

Detect periods of continuous chest compressions from the accelerometer signal of a CPR feedback sensor.

Uses the root mean square of the accelerometer signal to detect the rise in “power” of the signal caused by continuous chest compressions, as described in [OKA+22] and [KOA+22].

Parameters:

accelerometer_channel

The channel containing the accelerometer signal.

Returns:

An (unattached) interval label cc_periods; every interval is a

single period of chest compressions.

See also

Details are given in [OKA+22] or in the PhD thesis [Ker24] by Wolfgang Kern in more detail.

vitabel.analysis.cpr.compressions.convert_two_alternating_list(df)

vitabel.analysis.cpr.compressions.CCF_minute(t_start, t_stop, CC_starts, CC_stops)