Lab Flashcards

1
Q

What are symptoms of anemias?

A

Pale, weakness, malaise, fatigue, dyspnea upon exertion, koilonychias (spoon nails)

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2
Q

All anemias present with what?

A

Decreased RBC count, Hb and HCT

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3
Q

What are the characteristics of megaloblastic anemia?

A
Includes pernicious anemia/ B12 deficiency and folate deficiency
MCV increased (macrocytic)
RDW increased (macrocytic)
MCH and MCHC are variable
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4
Q

What are the characteristics of Hemorrhagic anemia?

A

MCV, MCH and MCHC are normal (normocytic, normochromic)

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5
Q

What are the characteristics of Iron deficiency anemia?

A

MCV, MCH and MCHC are decreased (microcytic, hypochromic)

Iron studies- low serum iron, increased TIBC (total iron binding capacity)

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6
Q

What are the characteristics of Sickle cell anemia?

A

MCV, MCH and MCHC are normal (normo, normo)
Increased reticulocyte count
Blood smear shows sickled cells

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7
Q

What are the characteristics of a bacterial infection?

A
Increased WBC (total)
Increased neutrophils (PMN's)
      Increased segs (segmented neutrophils, mature)
      Increased bands or stabs (immature)
Increased ESR (sed rate)
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8
Q

What are the characteristics of viral infection?

A

Increased WBC

Increased lymphocytes

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9
Q

What raises with inflammation?

A

Increase ESR (sed rate)

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10
Q

What happens to the lipid panel in hyperlipidemia?

A

Increased total cholesterol
Increased triglycerides (often)
Increased LDL cholesterol
Decreased HDL cholesterol

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11
Q

What are the characteristics of acute hepatitis?

A

AST and ALT are elevated 10-100x normal
Total bilirubin increased late in disease
Alk phos and GGT increased

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12
Q

What are the characteristics of chronic hepatitis and cirrhosis?

A

AST and ALT are slightly elevated
Total bilirubin and GGT increased
Albumin decreased in alcoholic liver disease and cirrhosis

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13
Q

What are the characteristics of diabetes?

A
Hyperglycemia
Increased ketones
Acidosis (if severe)
Glucosurea
Ketonurea
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14
Q

What do you find with a urinary tract infection?

A

Nitrites in urine
Leukocyte esterase
WBC’s and bacteria in urine

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15
Q

What are the characteristics of primary hypothyroidism?

A

TSH increased

T4 decreased

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16
Q

What are the characteristics of secondary hypothyroidism?

A

TSH decreased

T4 decreased

17
Q

What are the characteristics of hyperthyroidism?

A

TSH may be normal, increased or decreased

T4 increased