Haematology Flashcards

1
Q

What type of anaemia is iron deficiency anaemia?

A

Microcytic (low MCV)

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2
Q

Transferrin is responsible for transporting

A

Fe3+/ferric ions

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3
Q

3 medications that can cause iron deficiency anaemia

A
  1. PPIs
  2. NSAIDs
  3. Aspirin
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4
Q

Where is Vit B12 absorbed?

A

Terminal ileum/jejenum

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5
Q

3 medications that can cause vitamin B12 deficiency

A
  1. PPIs
  2. H2-receptor antagonists
  3. Colchicine
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6
Q

What term is given to LMN symptoms/stiffness/falls etc caused by untreated Vitamin B12 deficiency?

A

Subacute combined degeneration of the spinal cord

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7
Q

Vitamin B12 treatment

A

IM hydroxocobalamin

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8
Q

5 medications that can cause folate deficiency?

A
  1. Nitrofurantoin
  2. Trimethoprim
  3. Sulfasalazine
  4. Methotrexate
  5. Anticonvulsants
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9
Q

4 types of sickle cell crises

A
  1. Vaso-occlusive crisis (bone pain)
  2. Acute chest syndrome (lung capillary blockage)
  3. Sequestration crisis (block spleen blood flow)
  4. Aplastic crisis (parvovirus B19 infection)
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10
Q

4 types of lymphoid lineage malignancies

A

ALL
CLL
Lymphoma
Myeloma

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11
Q

What group is ALL seen in?

A

Children - young adults

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12
Q

What group is CLL seen in?

A

Older people

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13
Q

What type of cancer can CLL transform into?

A

Non-Hogdkin’s Lymphoma - Richter syndrome

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14
Q

Multiple myeloma is cancer of

A

Plasma cells (B cells) that produce antibodies

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15
Q

Who does multiple myeloma commonly affect?

A

Black older men

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16
Q

The acronym CRAB stands for what in multiple myeloma?

A

Calcium (raised)
Renal failure
Anaemia
Bone pain

17
Q

Reed-Sternberg cells are seen in which cancer?

A

Hogkdkin’s

18
Q

Myelodysplastic syndrome increases the risk of which cancer?

19
Q

AML is most common in what age group?

A

Older people

20
Q

Auer rods are diagnostic of what cancer?

21
Q

CML is commonly caused by what chromosomal abnormality?

A

Philadelphia chromosome

22
Q

Haemophilia A is caused by a deficiency in which factor?

23
Q

Haemophilia B is caused by a deficiency in which factor?

24
Q

Haemophilia A/B are inherited in what way?

A

X-linked recessive

25
Von Willebrand Disease is inherited in what way?
Autosomal dominant
26
VWF is responsible for binding fVIII to prevent degradation and...
Aiding platelet adherence and aggregation
27
VWF presents similarly to
Haemophilia
28
Polycythaemia is an increase in
Haemocrit +/- Hb
29
Primary polycythaemia is caused by
Increased erythrocytes - Myeloproliferative disease
30
Secondary polycythaemia is caused by
Increased EPO - Hypoxia (COPD, apnoea), renal cancer, anabolic steroids
31
Complication of polycythaemia
Thrombosis
32
5 causes of haemolytic anaemia
1. SCA 2. G6PD deficiency 3. Paraoxysmal nocturnal haemoglobunia 4. Autoimmune 5. Prosthetic heart valves
33
Jaundice, anaemia and splenomegaly are signs of what condition?
Haemolytic anaemia
34
5 causes of neutropenia
1. Infection: TB, malaria 2. Cancer treatment 3. Drugs - Epilepsy, carbimazole, allopurinol, clozapine 4. Sjogren's/SLE 5. Copper and zinc deficiency
35
Thromotic thrombocytopenia purpura is caused by
Platelets becoming trapped in clots
36
3 causes of impaired platelet synthesis
1. Sepsis 2. Liver failure 3. Malignancy
37
3 causes of platelet destruction
1. Sodium valproate 2. Alcohol 3. Methotrexate
38
Aplastic anaemia is the deficiency of what
< 2 WBC/RBC/platelets