Method for estimating a quantity of a blood component in a fluid receiver and corresponding error
A method and system for communicating estimated blood loss parameters of a patient to a user, the method comprising: receiving data representative of an image, of a fluid receiver; automatically detecting a region within the image associated with a volume of fluid received at the fluid receiver, the volume of fluid including a blood component; calculating an estimated amount of the blood component present in the volume of fluid based upon a color parameter represented in the region, and determining a bias error associated with the estimated amount of the blood component; updating an analysis of an aggregate amount of the blood component and an aggregate bias error associated with blood loss of the patient, based upon the estimated amount of the blood component and the bias error; and providing information from the analysis of the aggregate amount of the blood component and the aggregate bias error, to the user.
1. A method for communicating medical parameter information of a patient to a user, comprising:
at a computing system, receiving data representative of a medical parameter;
determining a statistical component associated with the medical parameter;
updating an analysis of an aggregate amount of the medical parameter and an aggregate statistical component associated with the medical parameter, based upon the medical parameter and the statistical component; and
at a user interface device in communication with the computing system, providing information indicative of error derived from the analysis of the aggregate amount of the medical parameter and the aggregate statistical component to the user.
2. The method of claim 1 , wherein updating the analysis of the aggregate statistical component comprises determining one or more of: a bias error, a confidence interval, a limit of agreement, a root mean square error, an interquartile range, a standard deviation, an error histogram, and a Monte Carlo simulation histogram associated with the medical parameter.
3. The method of claim 1 , wherein determining the statistical component comprises determining a bias error.
4. The method of claim 1 , wherein determining the statistical component associated with the medical parameter comprises identifying the statistical component from a table relating ranges of the medical parameter to values of the statistical component.
5. The method of claim 1 , wherein receiving data representative of the medical parameter comprises receiving data derived from one or more of: a hemoglobin-related parameter, a blood volume, a blood mass, and a cell volume.
6. The method of claim 1 , wherein receiving data representative of the medical parameter comprises receiving data representative of an image at a computing system in communication with an image acquisition device, wherein the image is generated by the image acquisition device; and wherein the method comprises, at the computing system, computing an amount of the medical parameter based upon analyzing a region within the image.
7. The method of claim 6 , wherein computing the amount of the medical parameter comprises extracting a color parameter from a region of the image.
8. The method of claim 7 , wherein computing the amount of the medical parameter comprises transforming the extracted color parameter to the amount of the medical parameter according to a parametric model.
9. The method of claim 7 , wherein computing the amount of the medical parameter comprises transforming the extracted color parameter to the amount of the medical parameter according to a template matching model.
10. The method of claim 1 , wherein determining the statistical component comprises determining a standard deviation.
11. The method of claim 1 , wherein determining the statistical component comprises determining at least one of: a confidence interval, a limit of agreement, a root mean square error, an interquartile range, an error histogram, and a Monte Carlo simulation histogram.
12. The method of claim 1 , wherein receiving data representative of the medical parameter comprises receiving data derived from one or more of: a urine-related parameter, a saliva-related parameter, a lymphatic fluid-related parameter, a mucus-related parameter, a plasma-related parameter, a platelet-related parameter, and an amniotic fluid-related parameter.
13. The method of claim 1 , wherein receiving data representative of the medical parameter comprises receiving data derived from one or more of:
an oxygen saturation-related parameter, a temperature-related parameter, a blood pressure-related parameter, a spinal fluid pressure-related parameter, and an inter-cranial pressure-related parameter.
14. The method of claim 1 , wherein the data representative of the medical parameter is associated with a fluid receiver.
15. The method of claim 14 , wherein the fluid receiver is a fluid canister.
16. The method of claim 14 , wherein the fluid receiver is a surgical textile.
17. The method of claim 1 , wherein providing information comprises displaying the aggregate amount of the medical parameter and the aggregate statistical component to the user on a display.
18. The method of claim 17 , wherein displaying the aggregate amount of the medical parameter and the aggregate statistical component comprises displaying at least one error bar.
19. The method of claim 1 , further comprising determining a biological status of the patient derived from the aggregate amount of the medical parameter, wherein providing information comprises providing a notification indicative of the determined biological status of the patient.
20. The method of claim 19 , wherein the biological status of the patient is determined and provided continuously in a substantially real-time manner.