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Critical Values for MPV what is associated with these values.
Low: <50,000; Thrombocytopenia, no clotting of the blood. Means a person is pron to bleeding
Extremely Low: <20,000 check for spontaneous bleeding
High: >100,000; Polycythemia Vera, increased clotting causing DVT, possibility for strokes, and other abnormalities that are associated with clotting
Hemoglobin (Hb) what is it; normal ranges
Hb, protein that is an oxygen carrying component of RBC
Critical Values of Hgb
<10 Hb - signifies possible anemia
8 - worried
6 is critically low
>18 is critically high. Thicker blood viscosity.
In terms of signs and symptoms what does low Hgb do?
Low Hgb means low oxygen levels in the blood. May be signified by a low SP02, dizziness, pale skin (checked by conjunctiva and nail bed palpation), fatigue, myocardial infraction, dsypnea.
Federal guidelines relating to transfusions. A person can receive a transfusion with a Hgb value less than 8, or a person is symptomatic.
DIB, Tachypnea, Tachycardia
Hematocrit normal value range (Hct)
Females: 36% - 46%
General rule of thumb: 3xHgb=Hct
BUN Normal Values - Blood Urea Nitrogen; What does BUN an indicator for?
BUN values: 10-20 mg/dL
BUN is an indicator for renal function and hydration
BUN Critical Values and Associated Problems
Critical high value is 100mg/dL
High BUN levels indicate dehydration, excessive protein intake and impaired renal function
Low BUN levels indicate overhydration, liver damage, malnutrition
Creatinine normal values, and what does Creatinine indicate
Normal Values : 0.6-1.6
Creatinine indicates kidney failure. This rises later than BUN. Signifies muscle breaking down
High Creatinine indicates dehydration
Creatinine critical value
Critically high >7.4 which requires rather aggressive treatment such as dialysis.
Compare Creatinine and BUN values when testing.
BUN values are quicker to rise than Creatinine, therefore BUN values are not exact indicators of kidney function.
Critical Levels of Glucose
Low: <40 is critically low and indicates hypoglycemia.
High: >200 indicates Diabetes if levels are greater than 200 in two random blood sugar tests.
Albumin values and what they are
Normal values are 3.5-5.0. Albumin is a protein in plasma that is synthesized by the liver.
Critical Values for Albumin compared with malnutrition
Comparing Albumin and Prealbumin in testing
Albumin results must be done 4-6 weeks to see any significance, and is a major indicator in malnutrition as it doesn't change relatively from day to day. Prealbumin tests can be done within 2-3 days at a cost much higher than that of Albumin.
Lipoproteins: LDL, HDL, & Cholesterol levels
Low Density Lipoproteins: 60-160; higher than that increases risk for coronary artery disease
High Density Lipoproteins: 29-77 (good for you)
Test requirements for Lipoproteins
12-14 hour fasting (except water), including no alcoholic beverages for at least 24 hours prior to test.
UA - Urinalysis values
Specific gravity: 1.010-1.030
Red/White Cells: <5
Bacteria: none (infection if present)
Bilirubin: none (liver disease if present)
Protein: <20 (kidney disease if >20)
Glucose: none (diabetes)
Ketones: none (possible diabetes)
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