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Status Messages

The following information messages are included in the var:VarValue or var:Validity fields of messages that are generated by the MedicalDeviceInput node.

General status messages

Value Meaning
CM_POSITIVE Boolean true
CM_NEGATIVE Boolean false
CM_NO_VALUE_YET The device is connected correctly, but a value is not yet available. For example, if the measurement must be taken manually by using the device and this has not yet happened.
CM_VALID This means that the measurement shown in the var:VarValue field is valid.
CM_UNCERTAIN This value is used in the var:Validity field if the var:VarValue field contains CM_NO_VALUE_YET.
CM_NO_CONNECTION Communication with the device is incorrect (due to bad settings, or connected to the wrong device), or is receiving no information at all.
CM_NO_DATA The device is communicating with the driver properly, but cannot supply the value requested.
CM_NO_SENSOR The device requires a certain sensor which is not connected to the device. If the device cannot generate this specific message, the CM_NO_DATA message is generated.
CM_NO_MODULE The device requires a certain module which is not connected to the device. If the device cannot generate this specific message, the CM_NO_DATA message is generated.
CM_OUT_OF_RANGE The value is not within certain limits (either user set or hardware defined). If the device cannot generate this specific message, the CM_NO_DATA message is generated.
CM_UNKNOWN_VARIABLE_ID The device does not recognize the requested parameter. This does not indicate that the parameter is invalid, only that the driver cannot request the parameter from the medical devices it was designed for.

Ventilator modes

Value Meaning
CM_VENTMODE_SPONT Spontaneous respiration without mechanical help
CM_VENTMODE_CPAP Spontaneous respiration with Continuous Positive Airway Pressure
CM_VENTMODE_BIPAP Spontaneous respiration with Biphasic Positive Airway Pressure
CM_VENTMODE_IPPW Intermittent Positive Pressure Ventilation
CM_VENTMODE_CMV Continuous Mandatory Ventilation
CM_VENTMODE_IRV Intermittent Positive Pressure Ventilation with longer inspiratory than expiratory phases
CM_VENTMODE_IMV Intermittent Positive Pressure Ventilation with pauses between breaths to permit spontaneous respiration
CM_VENTMODE_SIMV Synchronized Intermittent Mandatory Ventilation
CM_VENTMODE_INSP_ASSIST Assisted Ventilation during the inspiratory phase
CM_VENTMODE_PRESS_RELEASE Ventilation in which airway pressure is maintained at a nominal value and intermittently released to permit expiration
CM_VENTMODE_PSV Assisted Ventilation with increased airway pressure following initiation of the inspiratory phase. Increased pressure may be maintained at the end of expiration.
CM_VENTMODE_MMV Intermittent Positive Pressure Ventilation set to guarantee delivery of a Mandatory Minute Volume
CM_VENTMODE_PROP_ASSIST Spontaneous respiration in which the patients breathing is assisted by increasing airway pressure in proportion to their inspiratory effort
CM_VENTMODE_HFV Ventilation at rates greater than 60 breaths/min. using HFJV or HFO
CM_VENTMODE_HFJV Jet Ventilation at frequencies between 60 and 240 cycles/min
CM_VENTMODE_HFO Ventilation at frequencies between 480 and 2400 cycles/min
CM_VENTMODE_PEEP Positive End-Expiratory Pressure applied during Intermittent Positive Pressure Ventilation

Infusion pump modes

Value Meaning
CM_PUMPMODE_NOMINAL The pump is in the nominal mode. It may be operated manually or computer controlled and reports flow rates and status information.
CM_PUMPMODE_DELAYED The pump is programmed to start infusing after a programmed delay interval or at a specific time of day.
CM_PUMPMODE_MULTI_STEP The pump is pre-programmed to several infusion rates and sequentially stepped through.
CM_PUMPMODE_TITRATION The infusion rate is increased or decreased in order to keep some physiological parameter constant.
CM_PUMPMODE_BOLUS_DOSING A pre-programmed bolus (small volume fast infusion) rate and time or bolus volume/dose exists, which can be delivered to reach some physiological effect.
CM_PUMPMODE_DRUG_DOSING The infusion rate is chosen in drug units in relation to some physical parameter of the patient, mass (weight) or surface area.
CM_PUMPMODE_MULTI_DOSING The pump is programmed to infuse doses of a drug (boli) in regular periods. Amount of drug, interval between doses (boli) and number of doses is pre-programmed.
CM_PUMPMODE_RAMP_TAPER The Pump is programmed to speed up infusing from an initial rate to a plateau rate during a defined ramp time duration or with a defined ramp steepness, stays in steady state at plateau rate for a programmed duration and tapers down to a final rate with defined steepness or duration of taper down
CM_PUMPMODE_PCA The pump starts with an initial bolus dose and switches to a continuous dose (maintenance level). The patient has the possibility to request additional bolus doses on demand. The pump can override the requests according to some rule, for example, minimum interval between boli, maximum dose over some interval.
CM_PUMPMODE_MULTI_CHANNEL This mode allows the pump to infuse a group of drugs in specific sequence.
CM_PUMPMODE_CLOSED_LOOP The infusion rate is automatically adjusted based on some external parameter or physiological effect.
CM_PUMPMODE_CIRCADIAN The infusion rate is profiled based on a 24 hour cycle.
CM_PUMPMODE_KVO The pump is infusing fluid at a very low rate, to keep vessels open.
CM_PUMPMODE_TCI The pump is giving a target controlled infusion in order to achieve a user-defined drug concentration in a body compartment of interest or tissue of interest.

Infusion pump status

Value Meaning
CM_PUMPSTATUS_INACTIVE The pump is inactive. No drug is currently being delivered.
CM_PUMPSTATUS_INFUSING The pump is delivering high flow rate after a demand, for example, in PCA mode.
CM_PUMPSTATUS_KVO The pump is infusing fluid with an individually set rate.
CM_PUMPSTATUS_BOLUS The pump is infusing fluid at a very low rate, to keep vessels open.
CM_PUMPSTATUS_PCA_GOOD The patient demand for a bolus in PCA mode is granted by the pump.
CM_PUMPSTATUS_PCA_BAD The patient demand for a bolus in PCA mode is rejected by the pump because of rejection criteria, for example, interval between boli.
CM_PUMPSTATUS_RAMP_UP The pump is speeding up fluid rate linearly to reach a higher level in Ramp and Taper Mode.
CM_PUMPSTATUS_TAPER_DOWN The pump is tapering down fluid rate linearly to reach a lower level in Ramp and Taper Mode.
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Copyright IBM Corporation 2011, 2012Copyright IBM Corporation 2011, 2012.

        
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        Last updated : 2012-04-12 17:14:20


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