Haem Flashcards

(26 cards)

1
Q

High APTT
Gum bleeds, epistaxis
Normal PT
Normal platelets

A

Von Willebrand disease

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2
Q

Iron deficiency anaemia characteristics

A

Microcytic anaemia with low ferritin
Koilonychia
Elliptocytes may be present

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3
Q

Three causes of microcytic anaemia

A

Iron deficiency
Anaemia of chronic disease (can also be normocytic)
Thalassaemia trait

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4
Q

Causes of macrocytic anaemia

A
Vit B12 deficiency 
Folic acid deficiency 
(Liver disease 
Alcohol toxicity 
Hypothyroidism)
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5
Q

Vit B12 deficiency symptoms

A

Fatigue
Glossitis
Paraesthesia

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6
Q

Macrocytic anaemia

Crohn’s disease

A

B12 deficiency

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7
Q

Sepsis

High fibrin degradation products

A

DIC

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8
Q

Iron better absorbed with

A

Acidic environments

Alkaline environments reduce its absorption

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9
Q

Dacrocytes (tear drop cells ) are indicative of what diagnosis

A

Myelofibrosis

also characteristic- massive splenomegaly

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10
Q

Schistocytes (fragmented red cells) associated with what conditions

A

Haemolytic anaemia

DIC

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11
Q

Spherocytes associated with what conditions

A
Haemolytic anaemia 
Congenital disease (Hereditary spherocytosis)
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12
Q

Target cells associated with what conditions

A

Thalassaemia
Liver disease, jaundice
Hyposplenism

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13
Q

Hypersegmented neutrophils associated with what type on anaemia

A

B12/ Folate deficiency

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14
Q

Pernicious anaemia

A

AI disease where antibodies attack intrinsic factor, B12 cannot be absorbed

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15
Q

In AML, ALL bone marrow exam shows what

A

More than 20% myeloblasts and lymphoblasts respectively

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16
Q

Auer rods seen in

17
Q

Elliptocytes seen in

A

Hereditary elliptocytosis

Iron deficiency anaemia

18
Q

Pencil (cigar) cells seen in

A

Iron deficiency anaemia
(Hereditary elliptocytosis )

Similar to elliptocytes

19
Q

Aplastic anaemia characteristics

A

Pancytopenia

Hypocellular bone marrow

20
Q

AML characteristics

A

Auer rods

Stains with Sudan Black B

21
Q

Multiple myeloma risk factors

A

Cause is unknown; RF:
Radiation
Insecticides, pesticides
HHV-8, HIV

NO hereditary correlation has been identified

22
Q

Bence-Jones protein

A

Multiple myeloma
It is a light chain produced by myeloma cells

M-proteins are monoclonal antibodies (IgG, IgA)

23
Q

A 55 year old man presents with a few months history of weight loss, lethargy & fever. On examination, he has a large liver & spleen. His WBC is 10.2x109/l & his blood film shows increased granulocytes & granulocyte precursors.

24
Q

Histopathological characteristics of Hodgkin’s lymphoma

A

Reed-Sternberg cells

Other characteristics:
Painless enlarging mass in the neck
Painful after alcohol consumption
Pruritus, splenomegaly

25
Myelofibrosis key points
Leukoerythroblasts Massive splenomegaly BM biopsy is essential for diagnosis Extramedullary haematopoiesis occurs leading to dacrocytes
26
HUS triad
Haemolytic anaemia Acute renal failure Thrombocytopenia