LABORATORY WORKFLOW AND LABORATORY SAFETY Flashcards
PPT based (49 cards)
THREE PHASES OF TESTING PROCESS
Pre-analysis
Analysis
Post-analysis
- Activities that take place before testing
- Test ordering and sample collection
- Pre-analysis
- Activities that produce a result
- Running a sample on an automated analyzer
Analysis
- Patient reporting and result interpretation
- Post-analysis
% of testing errors occur in pre analysis phase
32%-75%
factors in pre analysis phase
- Pre-collection variables
- Specimen collection
- Specimen transport
- Specimen processing
hormone that is high in the morning
cortisol
brugia and wuchereria samples are best to collect at what time
after 8 PM
time variation for blood parasites
8-12 hours interval for 2-3 days
peak hours of cortisol
4-6 AM
loaloa samples are best to collect at what time
midday
malaria samples are best to collect at what time
between chills
what will increase in diet after eating
glucose
triglycerides
what hormones will increase if you are stressed
ACTH
cortisol
catecholamines
what hormones will increase if prolonged use of tourniquet
serum enzymes
proteins
protein-bound substances
what hormones will increase if you sit upright
increases hydrostatic pressure which increases protein concentration
what hormones will increase if being in a supine to sitting postition
increases hemoglobin
hematocrit
RBC count
One of the most frequent errors
selecting the wrong lab test
made during emergency situations and should be
documented
Verbal requests
Additional tests requested on a specimen previously collected
add-ons
time of collection
- ASAP collection
- Stat collection: collected and analyzed immediately
- Timed specimens: OD, TID, BID, Qn (e. g. Q12, Q8, Q6, Q4, Q1)
- 2-hour postprandial
- Glucose tolerance test
BID
twice a week
OD
once a day
Qn
Q3 = every 3 hours