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CC
Chief Complaint
Segment
Line between two wave forms
P-wave
Atrial Depolarization
How many 1mm boxes are in a 6 second Rythm strip?
30 one millimeter boxes
The SA node represents which waveform on the ekg?
Only the P-wave
What is the reading you can get from the RR interval?
Ventricular Pulse
What is the primary stage of Hemolisis?
Vascular phase and platelet phase together
What is Electophoresis?
Analyzation of the chemical components of blood e.g. hemoglobin
Positive testing for occult blood in a stool sample turn which color?
Turns Blue on a positive test for occult blood in feces.
The stages of Hemostasis:
Blood Vessels
Aorta
Outer connective tissue layer of a blood vessel
Tunica adventitia
Inner endothelial tissue layer of a blood vessel
Tunica Intima
The inner smooth layer of a blood vessel
Tunica media
The standards of right and wrong in a medical setting
Code of Ethics
What do you find in capillaries?
A mixture of venous and arterial blood is found
The average adult has how many liters of blood?
5-6 liters
What is the percentage of water in blood?
92%
Percentage of plasma in blood
55%
Percentage of Formed Elements in the blood
45%
99% of formed elements in blood
RBC's or Erythrocytes
Where you find Hemoglobin
RBC's
Where do all blood cells originate?
Bone Marrow
How many RBC's per microliter of blood
4.2-6.2 million
What is the second most numerous WBC?
Lymphocyte with 20-40%
Their numbers increase in intracellular infections and TB
Monocytes
Their numbers increase in bacterial infections and often are first on scene
Neutrophils
These WBC's play an important role in viral infection as well as in immunity.
Lymphocytes
Number of leukocytes for average adult per micrometer
5000-10000
Leukopenia
Decrease in WBC's seen with viral infection and leukemia
Comprises 3-8% of wbc or leukocytes
Monocytes
Largest in size of the leukocytes
Monocytes
Carries Histamine
Basophil
Injury to a blood vessel that causes it to constrict
slowing the clot of blood
Preferred site for venipuncture
Antecubital fossa
Test used to evaluate the intrinsic pathway and monitor heparin therapy
APTT also know as PTT
Test used to evaluate the extrinsic pathway and also used to monitor warfarin therapy
PT
Fibrinolysis
Breakdown and removal of a clot
Converts the temorary platelet plug into a stable fibrin clot
Coagulation phase
2nd choice vein for venipuncture most often the only one palpatable in an obese pt
Cephalic vein
Antiseptics used in Phlebodtomy
70% isopropyl alcohol pads most common
Length of needle commonly used in venipuncture
1 ince (up to 1.5")
Guage of needle that can cause hemolysis
Smaller than 23 guage
Average gauge of needle used for drawing blood
21-22
3 skills of the phlebotomist
social
Analytical errors during collection of blood
extended tourniquet time
Analytical errors before collection of blood
Patient misidentification
Analytical errors after blood collection
Failure to separate serum from cell (glycolisis)
Fistula
Permanent surgical connection between an artery and a vein
Edima
Accumulation of fluid in tissue
Thrombophlebitis
Inflammation of a vein with a clot formation
Explanation of Hemoconcentration
The increase in proportion of formed elements to plasma caused by leaving on the tourniquet for more than two minutes
Consequence of insufficient pressure applied after withdrawal of needle
Thrombus
additives in green top tube
heparin
Why is the green top tube never used for hematology
Green tops additive heparin interferes with the Wright's stained blood test
Common tests for the lifht blue sodium citrate tube
Coagulation studies
Common tests for the lavendar edta tube
CBC
Common tests for this color tube are chemistry tests performed on plasuma such as Ammonia
carboxyhemoglobin and STAT electrolytes
How long does it take for blood to clot by normal coagulation process in the red top tube?
30-60 mins
The primary purpose is to provide reliable data about a patients health status by ensuring the accuracy of a test while detecting and eliminating error
What is quality control
Common test for the red topped tube
Serum chemistry tests
Order of draw for cappilary specimens
lavender first
Antiseptic not used on a dermal puncture site
Betadine (because it interferes with several tests like bilirubin
For which procedure would you warm the site for a minimum of 3-4 minutes to increase blood flow?
dermal punctures (heel sticks)
Which are the preferred sites for dermal punctures
the distal segment of the third or fourth finger of the non-dominant hand
heel sticks are performed on which patients?
infants less than 1 year old
Where on the foot is the dermal puncture made on patients less than a year old
the medial and lateral areas of the plantar surface of the foot
dermal puncture is made in
the fleshy portion of the finger slightly to the side of the center perpendicular to the lines of the fingerprints
What will occur if you puncture the heel too deep? more than 2 mm
osteomyalitis
What are the identification requirements for blood bank
Pt's full name and DOB
This section of the lab uses serum to analyze the presence
Serology (immunology) Section
When checking for hormones in urine when do you collect the urine sample
first voiding in the morning
Which urine specimen provides the clearest
most accurate results?
Which urine sample requires aseptic technique?
Clean catch specimen
Examination of urine consists of
physical
Physical examination of urine consists of
colume (adequate for testing
What amount of urine must you have to be sufficient for analysis?
25ml
What is the normal range of specific gravity of random collection
1.005-1.030
normal range of specific gravity of urine in adults with normal diet and fluid intake
1.015-1.025
Microscopic examination of urine requires this amount
10-15ml
Urine Specific gravity
The ratio of weight of a given colume of urine to the weight of the same volume of distilled water at a constant temperature
Glycosuria
presence of glucose in the urine
Symptoms of patients with diabetes mellitus
glycosuria
A urine pH of what is considered neutral?
7.0 pH
the copper reaction test is used for what?
screening for glucose in urine
The presence of leukocytes in urine is an indicator for what?
bacteruria or UTI
Urine Screening for UCG or HCG
Pregnancy Test
HIPPA is for?
Patient Confidentiality
The four elements of Negligence
Duty
Tort
Wrongful act that results in injury to one person to another
Examples of Tort
Battery
Defamation of character by written statement is considered
libel
Consists of injury to another person's reputation
name or character through spoken (slander) or written (libel)
unpriveleged touching
Battery
The release of medical records with out the patient's knowledge or permission
Invasion of privacy
Good Samaritan Law
Rendering first aid within the scope of knowledge by a health care worker with out fear of being sued for negligence
Hypothalamus
regulates and maintains body temperature
Functions necessary for life
heart function
Rectal Temperature range in celsius
37.0 -38.1 C
Oral temperature range in Fahrenheit
97.6-99.6 F