anemia patho - Exam 1B Flashcards

1
Q

abnormal anemia

A

sickle cell disease

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2
Q

decreased Hgb content

A

loss of iron & loss of key nutrients
hypochromic/pale

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3
Q

decreased number of circulating erythrocytes

A

decreased production
increased destruction
blood loss

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4
Q

iron is essential for

A

normal hgb production

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5
Q

folate & B12 are necessary for

A

normal DNA synthesis of RBCs

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6
Q

in megaloblastic anemia, MCV is

A

increased

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7
Q

in iron def anemia, MCV is

A

decreased

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8
Q

clinical manifestations of all anemias (mild - mod)

A

-fatigue/weakness
-tachycardia
-dyspnea

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9
Q

clinical manifestations of all anemias (mod - sev)

A

-increased HR & RR
-hypotension
-pallor
-faintness
-cardio probs

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10
Q

etiologies of IDA

A

decreased intake, impaired absorption, increased demand and excessive loss

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11
Q

people at risk for IDA

A

people w/ poor intake, elderly, teens with heavy periods

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12
Q

IDA clinical manifestations

A

-smooth tongue
-glossitis
-mouth ulcers
-cheilosis
-koilonychia
-pica
in childhood cognitive deficits

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13
Q

megaloblastic anemia is most common in the

A

elderly

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14
Q

causes of B12 deficiency anemia

A

-atrophic gastritis , IF not produced
-crohns, celiac
-pernicious anemia (autoimmune)

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15
Q

clinical manifestations of B12 def anemia

A

-neuropathy
-ataxia (poor muscle control)
-glossitis
-dementia/psychosis

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16
Q

folate deficiency is caused by

A

decreased intake, not absorption
-alcoholism bc folate is stored in liver
-diet
-cirrhosis
increased needs like during pregnancy & intake

17
Q

anemia of chronic kidney disease is caused by

A

impaired erythropoietin production epo is made in the kidneys & is released to tell bone marrow to make more RBCs

18
Q

aplastic anemia is caused by

A

bone marrow stem failure d/t autoimmune disease
-chemo/radiation
-complicated infection

19
Q

clinical manifestations of aplastic anemia

A

low RBCs, WBCs & platelets

20
Q

treatment for aplastic anemia

A

whole blood transfusion, bone marrow transplant, immunosuppressants, drugs to stim erythropoiesis

21
Q

what is acquired hemolytic anemia & what causes it

A

premature destruction of RBCs caused by external agent
-autoimmune attack
-blood incompatibilities
-drug reaction
-severe burn

22
Q

clinical manifestations of acquired hemolytic anemia

A

-low hgb
-increased reticulocyte (immature RBC) count
-mild jaundice
-hemoglobinuira

23
Q

triggers of sickle cell anemia

A

dehydration, stress, high altitudes, fever, extreme temps

24
Q

clinical manifestations of sickle cell anemia

A

-swelling of hands & feet
-pain
-clogged vessels

25
Q

treatment of sickle cell anemia

A

1) oxygen
2) hydration
3) pain mgt
antimetabolite drugs
blood transfusion
genetic counseling

26
Q

thalassemia

A

genetic disorder occurring mostly in person of mediterranean descent
-severe cases can lead to death in childhood d/t heart failure, live to 30s w/ treatment
lack of one of two proteins that make up hemoglobin, alpha & beta globin

27
Q

clinical manifestations of thalassemia

A

-delayed growth
-fatigue
-dyspnea
-hepatomegaly
-splenomegaly
-bone deformities
-jaundice

28
Q

occult blood loss

A

GI bleed, retropertoneal bleed

29
Q

in secondary polycythemia, increased blood viscosity & volume causes

A

-HTN (headaches, low concentration, ruddy face, cyanosis)
-DVT
-hemorrhage
-angina
-cerebral insufficiency
-tIA

30
Q

in secondary polycythemia, hyper-metabolism causes

A

-night sweats
-weight loss

31
Q

in secondary polycythemia, increase RBC and H&H cause

A

-itching (pruritus)
-pain in fingers and toes