haem high yield Flashcards

(73 cards)

1
Q

causes of microcytic anaemia

A

TAILS

thalassaemia
anaemia of chronic disease
Iron deficiency
Lead poisoning
Sideroblastic

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2
Q

causes of macrocytic anaemia

A

megaloblastic
-folate deficiency
-B12 defiency

non-megaloblastic
-alcohol
-liver
-hypothyroidism
-reticulocytosis
-cold-agglutinins
-aplastic anaemia

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3
Q

raised HbA2

A

beta thal trait and beta thal major

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4
Q

hair on end skull x-ray

A

B thal major

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5
Q

HbA, <50% HbS

A

sickle cell trait

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6
Q

HbS, no HbA

A

sickle cell anaemia

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7
Q

pulmonary infiltrates in someone with sickle cell

A

acute chest syndrome

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8
Q

treatment of sickle crisis

A

opiate analgesia
hydration
rest
oxygen
red cell exchange in severe

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9
Q

which drug can reduce severity of sickle cell disease

A

hydroxycarbamide

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10
Q

which vaccine for sickle cell people

A

pneumococcal every 5 years

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11
Q

causes of intravascular haemolysis

A

ABO incompatible blood transfusion
severe malaria
G6PD deficiency

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12
Q

autoimmune haemolysis

A

warm - IgG
cold - IgM (activate at cold temperatures)

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13
Q

LDH in haemolysis

A

raised

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14
Q

managament of autoimmune haemolytic anaemia

A
  • Blood transfusions
    • Prednisolone (steroids)
    • Folic acid
    • Rituximab (a monoclonal antibody against B cells)
      -Splenectomy
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15
Q

treatment of secondary iron overload

A

desferrioxamine

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16
Q

pernicious anaemia

A

cause of B12 deficinecy
-antibodies against parietal cells or intrinsic factor
-atrophic gastritis: no intrinsic factor

can predispose to gastric cancer

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17
Q

treatment for severe thrombocytopenia in ITP

A

prednisolone
IV immunoglobins
blood transfusion

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18
Q

treatment of ITP in adults

A

oral prednisolone first line
IVIG may be used

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19
Q

what does vWF do

A

helps platelet adhesion in primary homeostasis
carries factor 8 (intrinsic pathway)

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20
Q

coag tests for vWF deficiency

A

APTT may be normal or prolonged if factor VIII deficiency is present
-PT will be normal

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21
Q

what clotting factors does vit K help make

A

2,7, 9 and 10

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22
Q

what is wafarin

A

vitamin K antagonist

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23
Q

haemophilia A

A

favtor VIII deficiency

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24
Q

haemophilia B deficiency

A

factor 9 deficiency

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25
coag screen result for haemophilia
isolated prolonged APTT
26
what antibodies for anti-phospholipid
lupus anticoagulant (LA) anticardioplipin antibody anti-beta2 glycoprotein
27
antiphospholipid syndrome management
primary prohylaxis: - low dose aspirin -LMWH in high risk scenarios secondary prophylaxis: -life long warfarin
28
who gets AML
elderly
29
auer rods
AML
30
who gets ALL
children
31
signs of ALL
leukaemic effects -fever -bone pain -lymphadenopathy -hepatosplenomegaly
32
what confirms diagnosis of ALL
bone marrow aspirate -morphology and immunophenotyping
33
polycythaemia vera Mx
aspirin venesection
34
itch after hot bath
polycythaemia vera -loads of haemoglobin
35
Hodgkin's lymphoma symptoms
B symptoms -night sweats -weight loss -itch -fever pain worse when drinking alcohol
36
reed sternberg cells
hodgkins lymphoma
37
which lymphoma is associated with H. pylori
MALT
38
which lymphoma associated with EBV, malaria and HIV
Burkitt
39
pencil poikilocytes
iron deficiency anaemia
40
schistocytes
haemolytic anaemias -mechanical heart valves -DIC
41
heinz bodies
G6PD deficiency
42
when should a leg vein USS be carried out
within 4 hours
43
starry sky appearance
burkitt's lymphoma
44
bence jones
myeloma
45
symptoms of myeloma
C - hypercalcaemia R - renal impairment A - anaemia B - bone pain B - bleeding I - infection
46
rain drop skull
myeloma
47
imaging of choice for myeloma
whole body MRI
48
how do you monitor response to myeloma treatment
paraprotein level
49
what mutation for polycythaemia vera
JAK2
50
platelet count over 1000
essential thrombocytosis
51
genetics for CML
philadelphia crhomosome -t(9:22)
52
what happens in CML
myeloproliferative -proliferation of myeloid cells -increase in granulocytes at different stages of maturation
53
treatment for CML
imatinib
54
smear/smudge cells
CLL
55
what is sideroblastic anaemia
when red cells fail to form haem
56
what happens in G6PD deficiency
increased red cell susceptibility to oxidative stress
57
imaging for staging lymphoma
PET/CT
58
most common type of Hodgkin's lymphoma
nodular sclerosing
59
how would you differentiate TRALI from TACO
there is hypotension in TRALI
60
which haemophilia is most common
haemophilia A = 8
61
what is acute chest syndrome in sickle cell
occulsion of pulmonary vasculature - dyspnoea -chest pain -pulmonary infoltrates -low pO2
62
what is aplastic crisis in sickle cell
caused by infection with parovirus - sudden fall in haemoglobin -bone marrow suppression causes a reduced reticulocyte count
63
what is a sequestration crises in sickle cell
sickling with organs like spleen or lung causes pooling of blood with worsening anaemia - increased reticulocyte count
64
what blood picture for autoimmune haemolytic anaemia
macrocytic anaemia -reticulocytosis -raised LDH -spherocytes on film
65
what medication for long term management of sickle cell
hydroxyurea
66
what drug can cause macrocytic anaemia
methotrexate
67
what is the initial investigation for polycythaemia vera
JAK2 mutation screen
68
Mx of beta thalassaemia major
lifelong blood transfussions -this leads to iron overload -iron chelation therapy
69
what must be screened for before tarted infliximab
TB
70
what must be screened for before starting rituximab
Hep B
71
what does a high TIBC
theres lot's of spots free for iron to bind, so overall means iron deficiency
72
managment of non-Hodgkin's lymohoma
rituximab
73