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IM2 > Lab Values > Flashcards

Lab Values Flashcards

1
Q

What are labs utilized for

A

screening
diagnosis
monitoring

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2
Q

what factors can affect labs

A

age
gender
race
pregnancy
food ingestion

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3
Q

What are we examining in a CBC

A

RBC
Hbg
Hct
MCV
MCH
MCHC
RDW
Platelet
WBC

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4
Q

What is being counted in the RBC

A

of circulating RBCs in 1mm3 of blood

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5
Q

What do RBCs carry

A

o2

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6
Q

what do RBCs contain

A

Hemoglobin molecules

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7
Q

what can a high WBC indicate

A

congenital heart disease
severe COPD
polyctheremia vera
leukemia
hodgkin disease

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8
Q

What is measured when we look at hemiglobin

A

measurement of total amnt of Hbg in the blood

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9
Q

What could high Hbg indicate

A

erthoryocytosis
congenital heart failure
severe COPD
polycythermia vera
severe dehydration

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10
Q

What could low Hbg indicate

A

anemia
hemoglobinopathy
cirrhosis
hemolytic anemia
hemorrhage
dietary defiency
bone marrow failure
prosthectic valves
renal disease
normal pregnancy
rheumatoid arthiritis
lymphoma
leukiemia
Hodgkin disease

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11
Q

What is an indirect measurement of RBC # & volume

A

Hematocrit

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12
Q

what is part of routine testing & anemia evaluation

A

hematocrit

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13
Q

what could high hematocrit indicate

A

erthrocytosis
congenital heart disease
severe COPD
polycythermia vera
severe dehydration

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14
Q

what could low hematocrit indicate

A

anemia
hemogloinopathy
cirrhosis
hemolytic anemia
hemorrhage
dietary deficiency
bone marrow failure
prosthetic valves
renal disease
normal pregnancy
rheumatodi arthritis
lymphoma
leukemia
hodgkin disease

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15
Q

What is anemia

A

a decrease in # of RBCs (erythrocytes)

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16
Q

what can contribute to anemia

A

impaired RBC production
blood loss
RBC destruction
Combo of all 3

17
Q

Can we give lovonox or enaxoprin to a pt with a platelet count of 100,000 or lower

A

no

18
Q

Why are we not able to take lovonox or enaxoprin w/ a platelet count of 100,000 or lower

A

because the pt is not able to clot blood very well and we do not want to slow down the clotting process

19
Q

what could high platelet count indicate (thrombocytosis)

A

malignant disorders, polycythemia, post splenectomy syndromes, rheumatoid arthiritis, iron deficiency anemia

20
Q

What if the thrombocyte level is above 1 million

A

pt is @ risk of clotting

21
Q

what if thrombocyte level is greater than 600,000

A

potential for issues

22
Q

what could low thrombocyte count indicate

A

hypersplenism, hemmorrhage, immune thrombocytopenia, leukemia, thrombic thrombocytopenia, Graves disease, inherited disorder, DIC, pernicious, anemia, hemolytic anemia, cancer, chemotherapy, infection

23
Q

what do thrombocyte counts below 50,000 indicate

A

significant bleeding

IM2 (17 decks)

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