Description
Prepare powerpoints on Pre-analytical laboratory errors
Explanation & Answer
Attached.
Pre-analytical Laboratory
Errors
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Introduction
Three phases of laboratory testing:
pre-analytical, analytical and post-analytical
Pre-analytical—specimen collection, transport
and processing
Analytical—testing
Post-analytical—testing results transmission,
interpretation, follow-up, retesting.
Phlebotomy Errors
Phlebotomy is a highly complex skill requiring
expert knowledge, dexterity and critical
judgment
It is estimated that one billion venipunctures are
performed annually in the U.S.
Phlebotomy errors may cause harm to patients
or result in needlestick injury to the
phlebotomist
Pre-analytical errors
Pre- and post-analytical errors are estimated to
constitute 90% of errors
Errors at any stage of the collection, testing and
reporting process can potentially lead to a
serious patient misdiagnosis
Errors during the collection process are not
inevitable and can be prevented with a diligent
application of quality control, continuing
education and effective collection systems
Types of Collection Errors
Patient Identification
Phlebotomy Technique
Test Collection Procedures
Specimen Transport
Specimen Processing
Patient Identification Errors
Errors in correctly identifying the patient
are indefensible
Reasons for patient identification errors
Proper
positive patient identification
procedures not followed
Patient
identification from identification bracelet
(inpatients)
Patient identification by asking patients to state or
spell their full name (inpatients/outpatients)
Patient identification by staff or family member if
patient unable to identify him/herself
Patient Identification Errors
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