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?

A

AML

19
Q

AML is most common in what age group?

A

Older people

20
Q

Auer rods are diagnostic of what cancer?

A

AML

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?

A

VIII

23
Q

Haemophilia B is caused by a deficiency in which factor?

A

IX

24
Q

Haemophilia A/B are inherited in what way?

A

X-linked recessive

25
Q

Von Willebrand Disease is inherited in what way?

A

Autosomal dominant

26
Q

VWF is responsible for binding fVIII to prevent degradation and…

A

Aiding platelet adherence and aggregation

27
Q

VWF presents similarly to

A

Haemophilia

28
Q

Polycythaemia is an increase in

A

Haemocrit +/- Hb

29
Q

Primary polycythaemia is caused by

A

Increased erythrocytes - Myeloproliferative disease

30
Q

Secondary polycythaemia is caused by

A

Increased EPO - Hypoxia (COPD, apnoea), renal cancer, anabolic steroids

31
Q

Complication of polycythaemia

A

Thrombosis

32
Q

5 causes of haemolytic anaemia

A
  1. SCA
  2. G6PD deficiency
  3. Paraoxysmal nocturnal haemoglobunia
  4. Autoimmune
  5. Prosthetic heart valves
33
Q

Jaundice, anaemia and splenomegaly are signs of what condition?

A

Haemolytic anaemia

34
Q

5 causes of neutropenia

A
  1. Infection: TB, malaria
  2. Cancer treatment
  3. Drugs - Epilepsy, carbimazole, allopurinol, clozapine
  4. Sjogren’s/SLE
  5. Copper and zinc deficiency
35
Q

Thromotic thrombocytopenia purpura is caused by

A

Platelets becoming trapped in clots

36
Q

3 causes of impaired platelet synthesis

A
  1. Sepsis
  2. Liver failure
  3. Malignancy
37
Q

3 causes of platelet destruction

A
  1. Sodium valproate
  2. Alcohol
  3. Methotrexate
38
Q

Aplastic anaemia is the deficiency of what

A

< 2 WBC/RBC/platelets